{"title":"Crunch","description":null,"products":[{"product_id":"crunch-cra-1000-2-2-channel-class-d-car-amplifier","title":"Crunch CRA-1000.2 2-Channel Class D Car Amplifier","description":"\u003cp\u003eThe Crunch CRA-1000.2 is a compact two-channel car audio amplifier for adding external power to a vehicle sound system. It can be used to drive a pair of speakers in stereo or a compatible speaker load in bridged mono. Its high-level and RCA input options support use with many aftermarket and factory-style source-unit installations.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners building a system around upgraded full-range speakers, component speakers, or a bridged subwoofer application. It provides 250 watts per channel at 4 ohms, 500 watts per channel at 2 ohms, or 1,000 watts bridged at 4 ohms. Adjustable high-pass and low-pass crossovers help direct the appropriate frequency range to the connected speakers.\u003c\/p\u003e\u003cp\u003eThe CRA-1000.2 uses a Class D amplifier topology designed for efficient operation in a compact chassis. Crunch specifies a switch-mode power supply and SPEED-FET MOSFET output-device technology. A low-noise preamplifier circuit is used to help keep the incoming source signal clean through amplification.\u003c\/p\u003e\u003cp\u003eSystem tuning is handled through fully adjustable 12 dB-per-octave crossover controls. Both the high-pass and low-pass ranges are adjustable from 40 Hz to 400 Hz, allowing the amplifier to be configured for full-range speakers or a low-frequency application. The input sensitivity range is specified at 0.2 to 6 volts.\u003c\/p\u003e\u003cp\u003eFor an upgrade path, the amplifier offers RCA inputs for aftermarket signal sources and high-level inputs for systems without RCA outputs. Signal-sensing remote turn-on can simplify integration with compatible factory audio systems. An output connection can also provide signal to a second amplifier in a larger multi-amplifier setup.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Channel Class D Design:\u003c\/strong\u003e Provides efficient power in a compact car-audio amplifier format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Power Configuration:\u003c\/strong\u003e Runs stereo at 2 or 4 ohms, or bridged at 4 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable 12 dB Crossovers:\u003c\/strong\u003e Helps match output frequency range to speakers or subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA And High-Level Inputs:\u003c\/strong\u003e Supports aftermarket radios and compatible factory-audio integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch-Mode Power Supply:\u003c\/strong\u003e Designed to provide stable amplifier power delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Status Indicator:\u003c\/strong\u003e LED diagnostics monitor overload and speaker-short protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CRA-1000.2 has a black compact chassis with an aluminum heat sink using Crunch Quick Thermal Dispersion Technology. Nickel-plated brass connection terminals are designed to resist corrosion, while screw-down connectors provide secure cable attachment. The amplifier is specified with 4 AWG power and ground terminals and 8 AWG speaker terminals.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a location with adequate ventilation and do not mount it upside down. Crunch specifies an external 50A fuse and recommends 4-gauge copper power and ground cable for this model. Use RCA inputs when available, or connect the high-level input for source units without RCA outputs; set crossover and level controls to suit the connected speakers and system design.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45621156675654,"sku":"CRA-1000-2","price":146.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/51IUYIQAGYL.jpg?v=1784371401"},{"product_id":"crunch-cra-1500-1-class-d-mono-car-amplifier","title":"Crunch CRA-1500.1 Class D Mono Car Amplifier","description":"\u003cp\u003eThe Crunch CRA-1500.1 is a compact mono car amplifier designed to power a subwoofer system from a single channel. It is intended for vehicle audio upgrades that need dedicated low-frequency amplification rather than additional full-range speaker channels. Its Class D architecture helps keep the amplifier footprint and current consumption lower than many traditional designs.\u003c\/p\u003e\u003cp\u003eThis amplifier provides manufacturer-listed output ratings at 1-, 2-, and 4-ohm loads, allowing it to be matched with a properly wired compatible subwoofer setup. Adjustable low-pass and subsonic filters help focus the amplifier on bass frequencies and tailor the system to the enclosure and speakers being used. A variable bass boost is also provided for controlled low-frequency adjustment.\u003c\/p\u003e\u003cp\u003eThe CRA-1500.1 accepts both RCA and high-level input signals, making it suitable for many aftermarket and factory-radio installations. High-level inputs can simplify integration when a source unit does not provide RCA preamp outputs. DC signal-sensing turn-on is available for installations where a conventional remote turn-on lead is not used.\u003c\/p\u003e\u003cp\u003eCrunch equips the amplifier with a switch-mode power supply and SPEED-FET MOSFET output technology. The design also uses a low-noise preamplifier circuit, intended to support clean signal transfer through the amplification stage. Its rated frequency response of 12Hz to 310Hz is focused on subwoofer-duty applications.\u003c\/p\u003e\u003cp\u003eA wired bass remote is included for convenient adjustment from the driver’s seat. The compact chassis can fit into many amplifier mounting locations, provided there is secure mounting and adequate ventilation. It is a practical choice for a bass-focused system when paired with correctly matched wiring, fusing, and speaker impedance.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Uses one channel for dedicated subwoofer amplification with a compact, efficient layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Load Ratings:\u003c\/strong\u003e Provides manufacturer-listed power ratings at 1, 2, and 4 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Low-Pass Filter:\u003c\/strong\u003e Lets you set the upper bass range from 40Hz to 300Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Helps reduce ultra-low-frequency output from 10Hz to 40Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA And High-Level Inputs:\u003c\/strong\u003e Supports connection to aftermarket radios and many factory audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Wired Bass Remote:\u003c\/strong\u003e Allows convenient bass-level adjustment from a mounted control knob.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CRA-1500.1 has a black chassis with an aluminum heat sink using Crunch Quick Thermal Dispersion Technology. Nickel-plated brass terminals are used for the power and speaker connections, while screw-down connectors provide hand-tool access. LED diagnostics monitor overload and speaker-short protection conditions.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely on a surface with adequate airflow and do not mount it upside down. Use 4 AWG power and ground wiring, an external 125A fuse, and 8 AWG speaker wire as specified; the power cable should be fused within 18 inches of the battery. Set gain and crossover controls carefully, and match the connected subwoofer wiring to a supported 1-, 2-, or 4-ohm load.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45621255143494,"sku":"CRA-1500-1","price":176.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61YPCFzKJVL.jpg?v=1784371446"},{"product_id":"crunch-cra-1500-4-four-channel-class-d-car-amplifier","title":"Crunch CRA-1500.4 Four-Channel Class D Car Amplifier","description":"\u003cp\u003eThe Crunch CRA-1500.4 is a four-channel Class D car audio amplifier for adding external power to a speaker system or building a mixed speaker-and-subwoofer setup. It provides four amplified channels and supports bridged operation when a system calls for higher power on fewer channels. Its combination of RCA and high-level inputs makes it suitable for both aftermarket receivers and many factory-audio integration projects.\u003c\/p\u003e\u003cp\u003eThis amplifier is designed for users powering front and rear speakers, high-output component systems, or selected bridged-channel configurations. It is rated for 4 x 185 watts at 4 ohms, 4 x 375 watts at 2 ohms, or 2 x 750 watts bridged at 4 ohms. The 2-ohm stereo minimum and 4-ohm bridged minimum should be observed when matching speakers and wiring the system.\u003c\/p\u003e\u003cp\u003eThe CRA-1500.4 uses a Class D topology intended to provide efficient power delivery in a compact format. Its low-noise preamplifier circuit is designed to accept low-voltage source signals while minimizing distortion through the amplification stage. A 10 Hz to 30 kHz frequency response and adjustable crossover controls support use with full-range speakers or appropriately configured subwoofer channels.\u003c\/p\u003e\u003cp\u003eCrunch equips the amplifier with a switch-mode power supply and proprietary SPEED-FET MOSFET output devices. The SMPS is intended to maintain stable power delivery as vehicle voltage changes, while the output-stage design focuses on efficiency. Quick Thermal Dispersion Technology adds aluminum heat-sink mass to help manage operating heat.\u003c\/p\u003e\u003cp\u003eFor system flexibility, the amplifier includes fully adjustable 12 dB-per-octave high-pass and low-pass crossovers from 40 Hz to 400 Hz. It can operate in four-channel stereo, dual stereo bridged, stereo plus bridged mono, or dual bridged mono configurations. This makes it a practical option for a staged upgrade when paired with correctly matched speakers, wiring, and source-unit connections.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Class D Design:\u003c\/strong\u003e Powers four speakers while using an efficient amplifier topology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Power Configuration:\u003c\/strong\u003e Supports stereo operation or two 4-ohm bridged channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable 12 dB Crossovers:\u003c\/strong\u003e Helps tailor frequency ranges for speakers or subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA And High-Level Inputs:\u003c\/strong\u003e Connects with aftermarket receivers or compatible factory systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch-Mode Power Supply:\u003c\/strong\u003e Supports stable amplifier operation with changing vehicle voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Protection Diagnostics:\u003c\/strong\u003e Indicates overload or speaker-short protection status.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CRA-1500.4 has a black finish, an aluminum heat sink, nickel-plated brass connection terminals, and screw-down connectors. Its heat-sink design is intended to add thermal mass, while the terminals are designed for secure, corrosion-resistant connections. A power\/protect LED system provides visible diagnostic feedback at the amplifier.\u003c\/p\u003e\u003cp\u003eUse 4 AWG power and ground wiring at the amplifier terminals, an external 60A fuse, and speaker wire up to 8 gauge at the speaker terminals. Select RCA inputs when the source unit provides preamp outputs, or use the high-level input capability for compatible OEM integration; the unit also supports auto turn-on through its high-level-input arrangement. Set the crossover mode and frequency for the speakers being powered, and do not wire below 2 ohms per stereo channel or 4 ohms when bridged.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45621320876102,"sku":"CRA-1500-4","price":176.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61Q7VBQOlDL.jpg?v=1784371494"},{"product_id":"crunch-cra-2000-1-2000w-class-d-mono-amplifier","title":"Crunch CRA-2000.1 2000W Class D Mono Amplifier","description":"\u003cp\u003eThe Crunch CRA-2000.1 is a single-channel Class D car audio amplifier designed for subwoofer systems. It provides a dedicated mono channel with selectable low-pass, subsonic, and bass-boost controls for tailoring low-frequency output. Its 1-ohm-stable design makes it suitable for systems wired to a compatible final impedance.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners upgrading a vehicle with an aftermarket subwoofer or integrating bass into a factory or aftermarket audio system. RCA and speaker-level inputs support connection to a range of source units. DC signal-sensing turn-on can simplify installation in compatible systems.\u003c\/p\u003e\u003cp\u003eThe CRA-2000.1 is specified for up to 1 x 2000 watts at 1 ohm, with listed outputs of 1 x 1000 watts at 2 ohms and 1 x 500 watts at 4 ohms. A variable 40-300 Hz low-pass filter helps blend the subwoofer with full-range speakers. The 10-40 Hz subsonic filter gives installers an additional tool for system setup.\u003c\/p\u003e\u003cp\u003eCrunch uses a switch-mode power supply and SPEED-FET MOSFET components in this amplifier. The Class D topology is designed for efficient operation in a compact mobile-audio format. A low-noise preamplifier circuit is included to handle incoming source-unit signal.\u003c\/p\u003e\u003cp\u003eThe included wired bass remote allows convenient adjustment of bass level from the driver’s seat. Nickel-plated brass terminals and screw-down connections support secure power, ground, and speaker wiring. It is a practical choice for a dedicated bass channel when paired with properly matched subwoofers, wiring, and electrical protection.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Mono Design:\u003c\/strong\u003e Provides an efficient single channel for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stability:\u003c\/strong\u003e Supports compatible subwoofer wiring down to 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts the upper bass cutoff from 40-300 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Filters very low frequencies from 10-40 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Places bass-level adjustment within easy reach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- and Low-Level Inputs:\u003c\/strong\u003e Supports factory and aftermarket source-unit integration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CRA-2000.1 uses a heavy aluminum heat sink with Crunch Quick Thermal Dispersion Technology to help manage heat. Its power supply uses switch-mode technology, while nickel-plated brass terminals and screw-down connectors are specified for dependable cable connections. LED power\/protect indication and overload and speaker-short protection circuitry are included.\u003c\/p\u003e\u003cp\u003eUse 4 AWG power and ground cable as specified, and install an external 125A fuse in the power cable within 18 inches of the battery connection. Mount the amplifier securely in a well-ventilated location and do not mount it upside down. Match the final speaker impedance to the amplifier’s 1-ohm minimum rating, then set the level, crossover, subsonic filter, and bass boost conservatively to suit the connected subwoofer system.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45621403451462,"sku":"CRA-2000-1","price":210.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/6186aRKSkpL.jpg?v=1784371544"},{"product_id":"crunch-cra-2000-4-2000w-four-channel-car-amplifier","title":"Crunch CRA-2000.4 2000W Four-Channel Car Amplifier","description":"\u003cp\u003eThe Crunch CRA-2000.4 is a four-channel Class D car audio amplifier designed to add dedicated amplification to a vehicle sound system. It can power four speakers in stereo or support bridged configurations for systems that need fewer, higher-output channels. Its compact dimensions make it a practical choice when installation space is limited.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners building or upgrading an aftermarket system with component speakers, coaxial speakers, or a mixed speaker-and-subwoofer arrangement. It provides rated output of 250 watts per channel at 4 ohms or 500 watts per channel at 2 ohms. For bridged use, it is rated for 1,000 watts x 2 channels at 4 ohms.\u003c\/p\u003e\u003cp\u003eA switch-mode power supply supports stable amplifier operation as vehicle voltage changes. Crunch SPEED-FET MOSFET output devices are used in the amplifier design, while the low-noise preamplifier circuit is intended to keep the incoming signal path controlled. The stated frequency response is 10 Hz to 30 kHz.\u003c\/p\u003e\u003cp\u003eFully adjustable 12 dB-per-octave high-pass and low-pass crossovers help tailor the amplifier to the speakers connected to it. Both filters adjust from 40 Hz to 400 Hz, allowing channels to be configured for full-range speakers or filtered for a particular role in the system. RCA and high-level inputs provide connection options for aftermarket and factory-style audio systems.\u003c\/p\u003e\u003cp\u003eThe CRA-2000.4 supports four-channel stereo, dual stereo bridged, stereo plus bridged mono, and dual bridged mono operation modes. Signal-sensing remote turn-on can simplify integration with a source unit, while overload and speaker-short protection are monitored through an LED diagnostic system. It is a universal amplifier rather than a vehicle-specific fitment part.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Class D Design:\u003c\/strong\u003e Delivers efficient multi-channel amplification in a compact chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Power Ratings:\u003c\/strong\u003e Supports 4-ohm, 2-ohm, and 4-ohm bridged speaker configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Crossovers:\u003c\/strong\u003e High-pass and low-pass filters adjust from 40 Hz to 400 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA And High-Level Inputs:\u003c\/strong\u003e Accommodates aftermarket radios and compatible factory audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMPS Power Supply:\u003c\/strong\u003e Helps maintain stable operation as vehicle voltage varies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Diagnostics:\u003c\/strong\u003e LED indication monitors overload and speaker-short protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe amplifier uses an aluminum heat sink with Crunch Quick Thermal Dispersion Technology to help manage operating heat. Nickel-plated brass connection terminals are intended to resist corrosion, and the screw-down terminal design provides accessible connection points. The black amplifier chassis measures 8.5 inches long, 4.25 inches wide, and 2.1 inches high.\u003c\/p\u003e\u003cp\u003eUse 4 AWG power and ground wiring at the amplifier terminals, and use up to 8 AWG speaker wire at the speaker terminals. The amplifier requires external 75A fusing, and it supports a minimum 2-ohm load per unbridged channel or a minimum 4-ohm bridged load. Set gains and crossover points to suit the connected speakers and the source unit's output level.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45621485600838,"sku":"CRA-2000-4","price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61T1IXySyHL.jpg?v=1784371586"},{"product_id":"crunch-cra-3000-1-3000w-class-d-mono-car-amplifier","title":"Crunch CRA-3000.1 3000W Class D Mono Car Amplifier","description":"\u003cp\u003eThe Crunch CRA-3000.1 is a mono Class D car amplifier designed for subwoofer-focused audio systems. It provides a single amplified channel and is intended for installers building a dedicated low-frequency section in a vehicle. With published output figures at 1, 2, and 4 ohms, it offers flexibility when matching a compatible subwoofer load.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to drivers who want to add a separate bass amplifier while retaining space-conscious installation options. Its Class D topology is designed for efficient operation in a compact amplifier chassis. The CRA-3000.1 uses a switch-mode power supply to support stable power delivery as vehicle voltage changes.\u003c\/p\u003e\u003cp\u003eThe amplifier includes adjustable low-pass and subsonic filtering to help tailor the bass signal sent to a subwoofer. A variable bass boost control provides additional low-frequency adjustment when used carefully during system tuning. The included wired bass remote allows output adjustment from a convenient location in the vehicle.\u003c\/p\u003e\u003cp\u003eFor source-unit compatibility, the CRA-3000.1 accepts both RCA and high-level input signals. This gives it options for connection to many aftermarket radios as well as factory audio systems without RCA outputs. DC signal sensing can automatically turn the amplifier on from an RCA input signal when enabled.\u003c\/p\u003e\u003cp\u003eCrunch equips the CRA-3000.1 with SPEED-FET MOSFET output devices, a low-noise preamplifier circuit, and an aluminum heat sink designed for thermal dispersion. Nickel-plated brass terminals and screw-down connections support secure wiring connections. Protection-status LED diagnostics help indicate overload and speaker-short conditions during operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Delivers a single amplified channel for a dedicated subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished 1-Ohm Output:\u003c\/strong\u003e Provides up to 3,000 watts on one channel at 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts the bass passband from 40 Hz to 300 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Filters frequencies from 10 Hz to 40 Hz for system tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA And High-Level Inputs:\u003c\/strong\u003e Supports aftermarket radios and compatible factory-system integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Lets you adjust bass level from inside the vehicle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CRA-3000.1 uses a black Class D amplifier chassis with an aluminum heat sink for thermal dispersion. Its connection layout includes nickel-plated brass terminals with screw-down connectors for power, ground, and speaker wiring. LED protection diagnostics are located on the amplifier end panel to help monitor operating status.\u003c\/p\u003e\u003cp\u003eUse 4 AWG cable at the 12-volt and ground terminals and up to 8 AWG speaker wire at the output terminals. The amplifier uses an external 150A fuse, so the vehicle power wiring should be properly fused and installed according to the supplied guide. Set the low-pass filter, subsonic filter, input level, and bass boost to match the connected subwoofer system and source unit.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45621567750214,"sku":"CRA-3000-1","price":253.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61_CZAN5TL.jpg?v=1784371625"},{"product_id":"crunch-cra-950-4-four-channel-class-d-car-amplifier","title":"Crunch CRA-950.4 Four-Channel Class D Car Amplifier","description":"\u003cp\u003eThe Crunch CRA-950.4 is a four-channel Class D car amplifier made to add dedicated power to a vehicle audio system. It can be used to drive front and rear full-range speakers, or configured in bridged pairs for higher-output applications. Its four-channel layout gives installers flexibility when planning a speaker-focused system upgrade.\u003c\/p\u003e\u003cp\u003eRated for 115 watts RMS per channel at 4 ohms and 235 watts RMS per channel at 2 ohms, the CRA-950.4 is suited to compatible aftermarket speakers that need more power than a head unit can supply. It also supports two-channel bridged operation at 4 ohms, rated at 475 watts RMS per bridged channel. This makes it practical for systems that combine full-range speakers with a bridged subwoofer channel arrangement.\u003c\/p\u003e\u003cp\u003eThe amplifier uses an efficient Class D topology designed to reduce current draw and heat compared with less-efficient amplifier designs. Its switch-mode power supply is intended to maintain stable amplifier operation as vehicle voltage changes. Crunch SPEED-FET MOSFET output devices and a low-noise preamplifier circuit support controlled amplification with minimal distortion.\u003c\/p\u003e\u003cp\u003eBuilt-in electronic crossover controls help tailor the signal sent to each speaker group. Adjustable high-pass and low-pass filters cover a 40 Hz to 400 Hz range, allowing installers to limit bass sent to smaller speakers or direct bass-focused channels toward compatible subwoofers. Separate crossover sections for the channel pairs allow system tuning around the speakers being used.\u003c\/p\u003e\u003cp\u003eThe CRA-950.4 accepts both RCA low-level and speaker-level input signals, supporting integration with many aftermarket and factory audio systems. DC signal-sensing turn-on can simplify installation when using high-level inputs. It is a compact amplifier platform for a properly matched four-speaker system, a mixed mono setup, or a bridged two-channel configuration.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Class D Design:\u003c\/strong\u003e Provides efficient amplification for multi-speaker vehicle audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e950W Total RMS Output:\u003c\/strong\u003e Delivers up to 235 watts RMS across four 2-ohm channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged Channel Capability:\u003c\/strong\u003e Supports two 475-watt RMS channels at 4 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Electronic Crossovers:\u003c\/strong\u003e Helps match frequency output to speakers or subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA And High-Level Inputs:\u003c\/strong\u003e Supports aftermarket and many factory-system signal connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuitry:\u003c\/strong\u003e Includes overload and speaker-short protection for system safeguarding.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CRA-950.4 uses a compact amplifier chassis with an aluminum heat sink designed to disperse heat. Nickel-plated brass connection terminals and screw-down connectors are provided for secure cable connections. A power\/protect LED provides basic operating-status indication.\u003c\/p\u003e\u003cp\u003eUse 4 AWG power and ground cable as recommended, with an external 50A fuse installed within 18 inches of the battery on the positive power cable. The amplifier should be mounted to a secure, ventilated surface and not upside down. Match each channel to the correct speaker impedance: 2 ohms minimum per unbridged channel or 4 ohms minimum per bridged channel.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45621682536518,"sku":"CRA-950-4","price":164.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61wU4fgna6L.jpg?v=1784371679"},{"product_id":"crunch-cs46cx-4-x-6-2-way-coaxial-speakers","title":"Crunch CS46CX 4\" x 6\" 2-Way Coaxial Speakers","description":"\u003cp\u003eThe Crunch CS46CX is a pair of 4 x 6-inch, 2-way coaxial car speakers designed for replacing worn or basic factory speakers in vehicles that use this compact size. Its coaxial layout places the tweeter and woofer together, simplifying installation where a dedicated component speaker system is not practical. The speakers use a 4-ohm design and are intended for universal mobile-audio applications.\u003c\/p\u003e\u003cp\u003eThese speakers are built to provide full-range playback with a focus on clear upper frequencies and defined midrange output from a compact mounting footprint. A 1-inch Neo-Mylar soft-dome tweeter handles high-frequency detail, while the silver alpha-cellulose poly cone handles the main woofer duties. Crunch lists a 55 Hz to 19 kHz frequency response and 88 dB sensitivity.\u003c\/p\u003e\u003cp\u003eThe CS46CX uses a ferrite magnet motor, pure-copper voice coil, and Kapton former as part of its motor assembly. Its over-coil cooling system exchanges air over the voice coil through the spider to support thermal management during use. The speaker also uses an internal passive Butterworth crossover with a listed 6 kHz crossover point and 12 dB slope.\u003c\/p\u003e\u003cp\u003eDurability-oriented construction includes a UV-resistant rubber surround, high-temperature cone-to-surround adhesive, and an epoxy-infused natural-fiber spider. These materials support the moving assembly while addressing exposure to heat and moisture common in vehicle installations. A textured ABS gasket is used to create a linear seal at the mounting surface.\u003c\/p\u003e\u003cp\u003eThe CS46CX can be used as a direct-size speaker upgrade when its mounting dimensions and depth suit the vehicle location. Its anti-resonant stamped-steel basket provides a rigid mounting structure, and spade terminals allow conventional speaker-wire connections. For a complete system, pair it with a compatible 4-ohm source or amplifier channel and confirm physical fitment before installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 x 6-Inch Coaxial Design:\u003c\/strong\u003e Combines woofer and tweeter in one compact speaker assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Inch Neo-Mylar Tweeter:\u003c\/strong\u003e Provides high-frequency reproduction with a soft-dome design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver Alpha-Cellulose Cone:\u003c\/strong\u003e Delivers the main midrange and bass output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV-Resistant Rubber Surround:\u003c\/strong\u003e Supports cone movement and resists moisture exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive Butterworth Crossover:\u003c\/strong\u003e Directs frequencies between woofer and tweeter elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStamped-Steel Basket:\u003c\/strong\u003e Provides a rigid, anti-resonant speaker mounting structure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CS46CX uses a ferrite magnet motor, pure-copper voice coil on a Kapton former, epoxy-infused natural-fiber spider, and textured ABS gasket. Its silver alpha-cellulose poly cone is paired with a UV-resistant rubber surround and high-temperature adhesive. The anti-resonant stamped-steel basket is designed to limit flex and ringing from the speaker frame.\u003c\/p\u003e\u003cp\u003eVerify that the vehicle accepts a 4 x 6-inch speaker, a 5.5 x 3.46-inch cutout, and a 3.5-inch mounting depth before ordering. Connect the speaker using spade connectors or direct soldering, observing positive and negative polarity. No grilles are included, so these speakers are most suitable for locations protected by an OEM door, dash, or rear-deck panel.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45621772648518,"sku":"CS46CX","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71ebPbYNszL.jpg?v=1784371723"},{"product_id":"crunch-cs4cx-4-inch-coaxial-car-speakers","title":"Crunch CS4CX 4-Inch Coaxial Car Speakers","description":"\u003cp\u003eThe Crunch CS4CX is a 4-inch, two-way coaxial car-speaker set designed for compact factory speaker locations and custom vehicle audio installations. It combines a full-range woofer and a centrally mounted tweeter in each speaker to provide a straightforward upgrade path where space is limited. With a 4-ohm impedance and universal vehicle compatibility listing, it is intended for use in a wide range of car audio systems.\u003c\/p\u003e\u003cp\u003eThis model is rated for 100 watts RMS power handling and 200 watts peak power handling. Its stated 55 Hz to 19 kHz frequency response is designed to cover bass, midrange, and high-frequency duties within a compact speaker format. The 88 dB sensitivity rating provides a useful reference when matching the speakers with a compatible head unit or external amplifier.\u003c\/p\u003e\u003cp\u003eA 1-inch Neo-Mylar soft-dome tweeter handles the upper-frequency range, while the silver alpha-cellulose poly cone is intended to reproduce midrange and bass information. The coaxial arrangement keeps the installation compact by placing the tweeter directly within the speaker assembly. A passive Butterworth crossover is integrated to route frequencies between the woofer and tweeter.\u003c\/p\u003e\u003cp\u003eThe CS4CX uses a UV-resistant, moisture-resistant rubber surround and high-temperature adhesive at the cone connection. These materials support use in vehicle door, dash, or rear-panel locations that may experience vibration and changing temperatures. An over-coil cooling system moves air over the voice coil through the spider to support heat management during operation.\u003c\/p\u003e\u003cp\u003eFor a balanced system upgrade, the CS4CX can be used where a 4-inch speaker location has sufficient mounting clearance. Its compact format suits systems that need improved high-frequency detail and midrange presence without changing to a larger speaker size. Confirm the vehicle's opening, mounting depth, and available space before installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Inch Two-Way Coaxial Design:\u003c\/strong\u003e Combines woofer and tweeter functions in a compact speaker assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100W RMS Power Handling:\u003c\/strong\u003e Supports matching with compatible car stereo or amplifier power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Inch Neo-Mylar Tweeter:\u003c\/strong\u003e Provides dedicated high-frequency reproduction in each speaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver Alpha-Cellulose Cone:\u003c\/strong\u003e Supplies lightweight cone construction for midrange and bass reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber Surround:\u003c\/strong\u003e Uses UV- and moisture-resistant material around the cone edge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStamped Steel Basket:\u003c\/strong\u003e Provides a rigid mounting structure designed to limit frame resonance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CS4CX uses an anti-resonant stamped steel basket, ferrite magnet motor, pure copper voice coil, and lightweight Kapton voice-coil former. Its epoxy-infused natural-fiber spider provides flexibility and structural support, while a textured ABS gasket helps create a seal against the mounting surface. The black speaker design is intended to install behind an OEM panel, and protective grilles are not included.\u003c\/p\u003e\u003cp\u003eVerify a 3.69-inch cutout, 5.39-inch outside diameter, and 3.0-inch mounting-depth requirement before purchasing. The speakers use spade terminals and may also be soldered directly for connection. Match the installation to a compatible 4-ohm audio source, observe speaker polarity, and use the stated RMS rating rather than peak power when selecting amplification.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45621830221894,"sku":"CS4CX","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61isMSsjxZL.jpg?v=1784371763"},{"product_id":"crunch-cs525cx-5-25-2-way-coaxial-car-speakers","title":"Crunch CS525CX 5.25\" 2-Way Coaxial Car Speakers","description":"\u003cp\u003eThe Crunch CS525CX is a 5.25-inch, 2-way coaxial speaker designed for replacing worn factory speakers or building a straightforward car-audio upgrade. Its compact format combines a midrange\/midbass driver and tweeter in one assembly, helping simplify installation where a 5.25-inch speaker location is available. It is intended for universal vehicle applications, subject to confirming mounting dimensions and clearance in the vehicle.\u003c\/p\u003e\u003cp\u003eThis speaker is suited to listeners who want fuller everyday sound from a compact coaxial design without adding separate tweeters and external crossover hardware. The silver alpha-cellulose cone is engineered to reproduce musical midrange and bass tones while remaining lightweight. A 60 Hz to 20 kHz published frequency response supports broad-range playback for front or rear speaker locations.\u003c\/p\u003e\u003cp\u003eFor high-frequency detail, the CS525CX uses a 1-inch neo-Mylar soft-dome tweeter. The coaxial arrangement places the tweeter with the main driver for a consolidated installation, while the passive crossover system manages the transition between driver sections. This approach makes it practical for factory-speaker replacement projects and basic aftermarket systems.\u003c\/p\u003e\u003cp\u003eCrunch builds the CS525CX around a stamped-steel basket, ferrite motor, pure-copper voice coil, and Kapton former. The rubber surround is UV- and moisture-resistant, while high-temperature adhesive is used at the cone and surround connection. These construction details are intended to support regular automotive use in changing temperatures and vibration conditions.\u003c\/p\u003e\u003cp\u003eWith a 4-ohm impedance and 125-watt RMS power-handling specification, the CS525CX can be used with a compatible factory or aftermarket audio system when power is matched appropriately. Its 4.48-inch mounting cutout and 2.0-inch mounting depth should be checked against the vehicle before purchase. Protective grilles are provided for installations where the speakers are exposed rather than mounted behind factory panels.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.25-Inch Coaxial Design:\u003c\/strong\u003e Combines the woofer and tweeter in one speaker assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeo-Mylar Soft-Dome Tweeter:\u003c\/strong\u003e Provides high-frequency reproduction in a compact integrated design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlpha-Cellulose Cone:\u003c\/strong\u003e Supports lightweight midrange and midbass performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber Surround:\u003c\/strong\u003e Resists moisture and UV exposure while supporting cone movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStamped-Steel Basket:\u003c\/strong\u003e Provides a rigid mounting structure with reduced resonance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpade Terminals:\u003c\/strong\u003e Allow compatible spade connectors or direct soldering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CS525CX uses a black anti-resonant stamped-steel basket, ferrite magnet motor, textured ABS gasket, silver alpha-cellulose cone, and moisture-resistant rubber surround. Its pure-copper voice coil is paired with a lightweight Kapton former, and the spider uses epoxy-infused natural fiber. An over-coil cooling design exchanges air through the spider around the voice-coil area.\u003c\/p\u003e\u003cp\u003eConfirm that the vehicle accepts a 5.25-inch speaker and verify the 4.48-inch cutout, 6.26-inch outside diameter, and 2.0-inch mounting depth before installation. Connect using properly sized spade terminals or soldered speaker leads, observing polarity from the head unit or amplifier. Use the supplied grilles when the speakers are not protected by factory door or rear-deck panels.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45621830647878,"sku":"CS525CX","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61isMSsjxZL_5966ba19-79b3-43d1-b4f8-50bda4e1de38.jpg?v=1784371798"},{"product_id":"crunch-cs5768cx-5x7-6x8-2-way-coaxial-speakers","title":"Crunch CS5768CX 5x7\"\/6x8\" 2-Way Coaxial Speakers","description":"\u003cp\u003eThe Crunch CS5768CX is a pair of 5 x 7-inch coaxial car speakers designed to also fit many 6 x 8-inch speaker locations. It provides a practical replacement path for worn or basic factory speakers while retaining a conventional full-range coaxial layout. Each speaker combines a midrange\/woofer driver and tweeter in one assembly for straightforward installation.\u003c\/p\u003e\u003cp\u003eThese speakers are intended for drivers who need to confirm both mounting space and power compatibility before upgrading. Their 4-ohm impedance suits common car-audio speaker circuits, while the 50-watt RMS rating per speaker gives an amplifier-matching reference beyond the peak-power figure. Check the vehicle's factory opening, cutout, mounting depth, and connector arrangement before installation.\u003c\/p\u003e\u003cp\u003eThe CS5768CX uses a 1-inch Neo-Mylar soft-dome tweeter to reproduce upper-frequency detail alongside the main cone. Its published frequency response is 60 Hz to 20 kHz, covering the primary range expected from a full-range door or rear-deck speaker. For a system needing more low-frequency output, these speakers can be paired with a properly configured subwoofer and amplifier.\u003c\/p\u003e\u003cp\u003eA silver alpha-cellulose cone works with a moisture-resistant rubber surround to support everyday automotive use. The speaker also uses an anti-resonant stamped-steel basket, a ferrite magnet motor, and a pure-copper voice coil on a Kapton former. These construction details focus on maintaining the driver's structure and managing heat during operation.\u003c\/p\u003e\u003cp\u003eThe CS5768CX is supplied as a pair, making it suited to replacing two factory speaker positions at once. It can be used with a compatible factory radio or aftermarket source unit, provided the system's power and fitment are appropriate. Spade terminals and included connection cables support conventional speaker wiring during an installation or refresh.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5x7\/6x8 Fitment:\u003c\/strong\u003e Designed for 5 x 7-inch openings and many 6 x 8-inch locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Way Coaxial Design:\u003c\/strong\u003e Integrates the tweeter and main driver in each speaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Inch Neo-Mylar Tweeter:\u003c\/strong\u003e Handles high-frequency reproduction with a soft-dome design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlpha-Cellulose Cone:\u003c\/strong\u003e Provides the main driver's cone structure for midrange and bass duties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber Surround:\u003c\/strong\u003e Adds moisture resistance at the cone edge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm Impedance:\u003c\/strong\u003e Matches the standard impedance used by many car-audio systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CS5768CX uses a stamped-steel basket, ferrite magnet motor, pure-copper voice coil with Kapton former, epoxy-infused natural-fiber spider, textured ABS gasket, and over-coil cooling design. Its silver alpha-cellulose cone is paired with a moisture-resistant rubber surround, while the centrally mounted Neo-Mylar soft-dome tweeter completes the coaxial layout. Spade speaker terminals provide the primary connection point.\u003c\/p\u003e\u003cp\u003eMeasure the available installation space before purchase: the published top-mount depth is 2 inches and the published cutout dimension is 4.99 x 7.10 inches. Use the included mounting screws, clips, and speaker connection cables as applicable, and observe positive\/negative polarity when connecting the red and black leads. Confirm clearance behind the panel for the speaker, window mechanism, wiring, and other moving parts before fastening it in place.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45622446719046,"sku":"CS5768CX","price":38.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71ozhu19OnL.jpg?v=1784372142"},{"product_id":"crunch-cs653-6-5-3-way-coaxial-car-speakers","title":"Crunch CS653 6.5\" 3-Way Coaxial Car Speakers","description":"\u003cp\u003eThe Crunch CS653 is a pair of 6.5-inch, 3-way coaxial car speakers designed to replace worn or limited factory speakers. Their all-in-one coaxial layout places the high-frequency element within the speaker assembly, helping simplify an everyday door or rear-deck audio upgrade. They are intended for universal vehicle applications, subject to confirming physical fitment in the vehicle.\u003c\/p\u003e\u003cp\u003eWith a published 4-ohm impedance, the CS653 is suited to common automotive speaker circuits. Crunch lists 150 watts RMS and 300 watts peak power handling for this model. The speaker uses a 1-inch Neo-Mylar soft-dome tweeter to reproduce upper-frequency detail alongside its 6.5-inch main driver.\u003c\/p\u003e\u003cp\u003eThe Silver Alpha-Cellulose Poly cone is designed to provide the midrange and mid-bass foundation of the speaker. A UV-resistant rubber surround supports cone movement and is paired with high-temperature adhesive at the cone-surround connection. This combination is intended for the temperature changes and vibration common in vehicle interiors.\u003c\/p\u003e\u003cp\u003eCrunch equips the CS653 with a pure-copper voice coil on a Kapton former, plus an over-coil ventilation arrangement through the spider. The design also uses an epoxy-infused natural-fiber spider for suspension support. A passive internal crossover directs frequencies between the main driver and tweeter elements.\u003c\/p\u003e\u003cp\u003eThese speakers can serve as a practical front- or rear-location upgrade in a factory-replacement system, or as part of a larger system with an appropriate amplifier. Check the vehicle's mounting opening, available depth, and panel clearance before installation. Grilles are included for installations where the speakers are not protected by an existing vehicle panel.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Way Coaxial Design:\u003c\/strong\u003e Combines multiple driver elements in each speaker assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.5-Inch Size:\u003c\/strong\u003e Fits many common door and rear-deck locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeo-Mylar Tweeter:\u003c\/strong\u003e Uses a 1-inch soft-dome high-frequency driver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlpha-Cellulose Poly Cone:\u003c\/strong\u003e Supports midrange and mid-bass reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV-Resistant Rubber Surround:\u003c\/strong\u003e Helps support long-term cone movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive Internal Crossover:\u003c\/strong\u003e Separates frequencies within the coaxial speaker assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CS653 uses an anti-resonant stamped-steel basket, ferrite magnet motor, textured ABS gasket, and a black finish. Its pure-copper voice coil uses a Kapton former, while the tweeter also uses a Kapton-based construction. The included grilles can help protect exposed speakers from accidental contact.\u003c\/p\u003e\u003cp\u003eConfirm a 5.59-inch cutout, 7.01-inch outside diameter, and 2.13-inch mounting-depth clearance before ordering. Use the supplied speaker connection cables or connect with suitable spade terminals or direct soldering, observing vehicle polarity. Mounting hardware, grilles, and connection cables are included; vehicle-specific adapters or wiring harnesses may be needed depending on the installation location.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45622577954886,"sku":"CS653","price":38.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/814IuFVojgL.jpg?v=1784372191"},{"product_id":"crunch-cs693-6-x-9-3-way-coaxial-car-speakers","title":"Crunch CS693 6 x 9\" 3-Way Coaxial Car Speakers","description":"\u003cp\u003eThe Crunch CS693 is a pair of 6 x 9-inch, 3-way coaxial car speakers designed for replacing worn factory speakers or building a straightforward vehicle-audio upgrade. Their 4-ohm design suits many conventional car-audio speaker circuits, while the 6 x 9-inch format fits applications that use this common oval speaker size. Before purchasing, confirm the vehicle’s available cutout and mounting depth.\u003c\/p\u003e\u003cp\u003eWith 75 watts RMS and 400 watts peak power handling per speaker, the CS693 is intended for systems using a compatible factory radio or aftermarket amplification. The 3-way coaxial layout combines bass, midrange, and high-frequency elements in each speaker location. This makes it practical for listeners seeking fuller sound without adding separate tweeters and external crossover hardware.\u003c\/p\u003e\u003cp\u003eSilver alpha-cellulose poly cones provide the moving surface for midrange and bass reproduction, while UV-resistant rubber surrounds help support repeated cone movement and exposure to automotive conditions. A 1-inch Neo-Mylar soft-dome tweeter handles upper-frequency detail. The result is a speaker design focused on broad full-range playback from a compact, vehicle-ready package.\u003c\/p\u003e\u003cp\u003eCrunch uses a pure copper voice coil on a Kapton former, along with an over-coil cooling arrangement that exchanges air through the spider area. The speaker also uses an epoxy-infused natural-fiber spider to support cone travel. These construction details are intended to help the driver remain stable during regular music playback.\u003c\/p\u003e\u003cp\u003eAn anti-resonant stamped-steel basket provides the speaker’s mounting structure, and a textured ABS gasket helps create a consistent seal against the mounting surface. The integrated passive Butterworth crossover directs frequencies among the 3-way driver elements. CS693 speakers can be used as a direct-size replacement where mounting measurements and wiring connections are compatible.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Way Coaxial Design:\u003c\/strong\u003e Combines multiple driver elements in each 6 x 9-inch speaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75W RMS Handling:\u003c\/strong\u003e Supports appropriately matched factory or aftermarket power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeo-Mylar Tweeter:\u003c\/strong\u003e A 1-inch soft-dome tweeter handles high-frequency playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlpha-Cellulose Cone:\u003c\/strong\u003e Lightweight cone material supports midrange and bass reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber Surround:\u003c\/strong\u003e UV- and moisture-resistant surround supports durable cone movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStamped-Steel Basket:\u003c\/strong\u003e Rigid frame helps provide a stable mounting platform.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CS693 uses silver alpha-cellulose poly cones, UV-resistant rubber surrounds, pure copper voice coils, Kapton voice-coil formers, and epoxy-infused natural-fiber spiders. Its ferrite magnet motor, anti-resonant stamped-steel basket, textured ABS gasket, and integrated passive crossover form the core of the speaker assembly. Protective grilles are included for installations where the speaker is exposed rather than mounted behind a vehicle panel.\u003c\/p\u003e\u003cp\u003eCheck the vehicle’s speaker opening, available depth, factory mounting pattern, and panel clearance before installation. The listed cutout is 8.64 x 5.98 inches, while chassis mounting depth is 3.35 inches; adapters or vehicle-specific harnesses may be needed depending on the application. Connect using suitable spade connectors or soldered connections, observe polarity, and use power appropriate for the 4-ohm, 75-watt RMS speaker rating.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45622643556422,"sku":"CS693","price":51.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71uN77AlU4L.jpg?v=1784372227"},{"product_id":"crunch-dr-1325-1-v-drive-mono-subwoofer-amplifier","title":"Crunch DR-1325.1 V-Drive Mono Subwoofer Amplifier","description":"\u003cp\u003eThe Crunch DR-1325.1 is a V-Drive mono car amplifier made to power a subwoofer system from a compact chassis. It provides one amplified channel for a dedicated bass speaker, helping add low-frequency output to an aftermarket audio system. Its 2-ohm-stable design supports common single-subwoofer and multi-subwoofer wiring configurations that present a safe final load.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners building a subwoofer-focused system who want adjustable bass tuning rather than a full-range multi-channel amplifier. It offers up to 1 x 1,325 watts at 2 ohms and 1 x 650 watts at 4 ohms, as listed by the manufacturer. Because it is mono only, it is designed for subwoofer duty rather than powering separate left and right speakers.\u003c\/p\u003e\u003cp\u003eThe DR-1325.1 uses a Class A\/B circuit with proprietary Crunch SPEED-FET MOSFET output components. A low-noise preamplifier circuit, variable input sensitivity, and adjustable low-pass filtering help integrate the amplifier with an aftermarket or factory-compatible audio source. The onboard bass control, bass boost, and subsonic filter provide useful adjustment points when tuning a subwoofer enclosure.\u003c\/p\u003e\u003cp\u003eQuick Thermal Dispersion technology uses an aluminum heat sink to manage operating heat during normal music playback. The amplifier also uses a pulse-width-modulated power supply and nickel-plated brass terminals for its power and speaker connections. LED protection diagnostics are included to indicate overload or speaker-short protection conditions.\u003c\/p\u003e\u003cp\u003eFor everyday use, the included wired bass remote places bass-level adjustment within reach of the driver. The built-in LED VU meter can assist with gain adjustment, while the selectable logo lighting can be set to constant red, VU meter operation, or off. It is a practical choice for adding a dedicated powered subwoofer stage to a vehicle audio upgrade.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Subwoofer Channel:\u003c\/strong\u003e Delivers one dedicated channel for a bass speaker system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stable Output:\u003c\/strong\u003e Supports a final speaker load down to 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Tunes the upper bass cutoff from 40 Hz to 300 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Adjusts low-frequency filtering from 10 Hz to 40 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Allows convenient bass-level adjustment from the cabin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Logo Lighting:\u003c\/strong\u003e Offers red, VU meter, or off illumination modes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe DR-1325.1 has a black V-Drive chassis with a QTD aluminum heat sink, LED VU meter, illuminated protection indicators, and screw-down connection points. Its nickel-plated brass terminals are designed for secure, corrosion-resistant power and speaker connections. The compact amplifier measures 8.0 inches long, 5.83 inches wide, and 2.2 inches high.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a ventilated location and do not mount it upside down. Use 4 AWG cable for the 12V and ground connections, use an externally fused power lead with a 60A fuse, and use up to 8 AWG speaker wire at the amplifier terminals. Connect a compatible RCA signal source, set gain from minimum during initial setup, and ensure the final subwoofer load is not lower than 2 ohms.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45622741827654,"sku":"DR-1325-1","price":122.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71S4AMkVDWL.jpg?v=1784372268"},{"product_id":"crunch-dr-1325-4d-4-channel-class-d-car-amplifier","title":"Crunch DR-1325.4D 4-Channel Class D Car Amplifier","description":"\u003cp\u003eThe Crunch DR-1325.4D is a compact four-channel car audio amplifier designed to add dedicated amplification to aftermarket speaker systems. Its Class D design supports full-range speaker setups as well as bridged configurations for systems that combine speakers and subwoofers. It is a practical option for vehicle owners who need flexible channel routing from one amplifier.\u003c\/p\u003e\u003cp\u003eThis V-DRIVE amplifier is rated by Crunch at up to 4 x 330 watts at 2 ohms, 4 x 165 watts at 4 ohms, or 2 x 660 watts bridged at 4 ohms. Those configuration choices allow it to run four speakers, two bridged pairs, or a mixed stereo-and-mono arrangement when the connected speakers and wiring are compatible. Its 2-ohm unbridged capability gives installers additional options when selecting speakers.\u003c\/p\u003e\u003cp\u003eAdjustable high-pass and low-pass crossovers operate from 40Hz to 400Hz with a 12dB-per-octave slope. This allows the amplifier to send appropriate frequency ranges to full-range speakers or subwoofers instead of relying only on the source unit for filtering. The onboard electronic crossover controls help tailor a system around the speakers being used.\u003c\/p\u003e\u003cp\u003eCrunch uses proprietary SPEED-FET MOSFET output devices and a PWM power supply in the DR-1325.4D. A QTD aluminum heat sink adds thermal mass to support heat dissipation during operation. The amplifier also includes low-noise preamplifier circuitry and RCA signal inputs for connection to compatible aftermarket source units or processors.\u003c\/p\u003e\u003cp\u003eAn LED VU meter and selectable logo illumination provide visual feedback during setup, while the protection diagnostic indicator monitors overload and speaker-short conditions. RCA output connections can be used to pass signal to a second amplifier for system expansion. With its small 6.85-inch chassis length, the DR-1325.4D can fit installations where mounting space is limited while still providing four-channel flexibility.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Class D Design:\u003c\/strong\u003e Powers four speakers or supports compatible bridged system layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Power Configuration:\u003c\/strong\u003e Delivers rated output at 2 ohms, 4 ohms, or bridged 4-ohm loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable 12dB Crossovers:\u003c\/strong\u003e Helps match frequency output to speakers and subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQTD Aluminum Heat Sink:\u003c\/strong\u003e Adds heat-dissipating mass for sustained amplifier operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED VU Meter:\u003c\/strong\u003e Provides visual signal-level feedback when setting gain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Diagnostics:\u003c\/strong\u003e Indicates overload and speaker-short protection status.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe DR-1325.4D uses a black compact chassis with an aluminum QTD heat sink, nickel-plated brass connection terminals, and screw-down connectors. Its selectable logo lighting can be set to constant red, VU meter operation, or off. The amplifier measures 6.85 inches long, 5.83 inches wide, and 2.2 inches high.\u003c\/p\u003e\u003cp\u003eUse 4 AWG power and ground cable with the amplifier's 4 AWG power terminals, and use an external 60A fuse. The installation guide specifies placing the power-cable fuse within 18 inches of the battery and mounting the amplifier securely with adequate ventilation. Connect compatible RCA signal cables, select the crossover mode for each channel pair, and set gain carefully to match the source unit output.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45622815686726,"sku":"DR-1325-4D","price":137.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71xE65G7cgL.jpg?v=1784372310"},{"product_id":"crunch-dr-2125-2d-2-channel-class-d-car-amplifier","title":"Crunch DR-2125-2D 2-Channel Class D Car Amplifier","description":"\u003cp\u003eThe Crunch DR-2125-2D is a compact two-channel car audio amplifier designed to add external amplification to a vehicle sound system. It can power a pair of speakers in stereo or a compatible subwoofer through its bridged-mono configuration. Its Class D design is suited to installations where output capability and a small mounting footprint both matter.\u003c\/p\u003e\u003cp\u003eThis amplifier is a practical option for listeners building a subwoofer-focused system or upgrading beyond head-unit power. The manufacturer lists output ratings of 2 x 530 watts at 4 ohms, 2 x 1060 watts at 2 ohms, or 1 x 2125 watts bridged at 4 ohms. Matching the amplifier to compatible speaker impedance and power handling is essential for a reliable installation.\u003c\/p\u003e\u003cp\u003eVariable high-pass and low-pass filters allow the DR-2125-2D to be configured for full-range speakers or bass duty. Both crossover sections adjust from 40Hz to 400Hz with a 12dB-per-octave slope. An onboard electronic equalizer and adjustable input sensitivity provide additional control when integrating with a source unit.\u003c\/p\u003e\u003cp\u003eCrunch uses proprietary SPEED-FET MOSFET output components and a pulse-width-modulated power supply in this V-DRIVE series model. Quick Thermal Dispersion technology adds an aluminum heat sink to help manage operating heat. The specified frequency response is 20Hz to 20kHz, with total harmonic distortion rated below 0.5%.\u003c\/p\u003e\u003cp\u003eThe built-in LED VU meter provides visual level feedback during setup, while selectable logo lighting supports VU-meter, constant-red, or off modes. RCA inputs, screw-down terminals, and LED protection diagnostics support a straightforward installation. It can be used in stereo, bridged mono, or stereo\/bridged-mono system configurations.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Topology:\u003c\/strong\u003e Efficient amplification in a compact chassis for vehicle audio upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Power Modes:\u003c\/strong\u003e Runs stereo channels or a 4-ohm bridged mono load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Crossovers:\u003c\/strong\u003e HPF and LPF controls tailor output from 40Hz to 400Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED VU Meter:\u003c\/strong\u003e Provides visual feedback to assist with level adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQTD Aluminum Heat Sink:\u003c\/strong\u003e Helps manage heat during normal music playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Diagnostics:\u003c\/strong\u003e Lighted indicators monitor overload and speaker-short protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe DR-2125-2D has a black V-DRIVE chassis with an aluminum QTD heat sink, nickel-plated brass connection terminals, and screw-down connectors. Its compact listed chassis dimensions are 6.06 inches long, 5.83 inches wide, and 2.2 inches high. Selectable logo illumination can be set to constant red, VU-meter response, or off.\u003c\/p\u003e\u003cp\u003eUse 4 AWG cable for the 12V and ground terminals and 8 GA speaker wire at the amplifier terminals. The manufacturer specifies an external 100A fuse, with the power cable fused within 18 inches of the battery terminal. Mount the amplifier securely in a ventilated location, keep it right-side up, use a clean bare-metal chassis ground close to the amplifier, and set gain carefully after completing the wiring.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45622930276422,"sku":"DR-2125-2D","price":110.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71-1wvB0nlL.jpg?v=1784372358"},{"product_id":"crunch-dr-2525-4d-4-channel-class-d-car-amplifier","title":"Crunch DR-2525.4D 4-Channel Class D Car Amplifier","description":"\u003cp\u003eThe Crunch DR-2525.4D is a four-channel mobile amplifier designed to add dedicated amplification to an aftermarket or compatible vehicle audio system. It can power four speaker channels or be configured for bridged applications, giving installers flexibility when planning a full-range and subwoofer system. Its Class D design keeps the amplifier compact while supporting high-output system layouts.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to listeners upgrading factory-level amplification or building a custom multi-speaker setup. Variable high-pass and low-pass filters let each channel pair be tailored for the speakers connected to it. The crossover controls can help protect smaller speakers from low-frequency content or help blend amplified speakers with subwoofers.\u003c\/p\u003e\u003cp\u003eThe DR-2525.4D is rated for up to 2525 watts of maximum power, with output ratings of 320 watts per channel at 4 ohms and 630 watts per channel at 2 ohms. It also supports two bridged channels at 4 ohms, rated at 1260 watts per bridged channel. Use impedance-appropriate speakers and careful gain setting to build a balanced system.\u003c\/p\u003e\u003cp\u003eCrunch equips this V-DRIVE amplifier with proprietary SPEED-FET MOSFET components, a PWM power supply, and a low-noise preamplifier circuit. Its QTD aluminum heat sink is designed to disperse heat during normal operation. The amplifier also includes LED protection diagnostics for overload and speaker-short monitoring.\u003c\/p\u003e\u003cp\u003eInstallation-focused details include RCA inputs, nickel-plated brass terminals, screw-down connections, and an LED VU meter for visual gain adjustment. The selectable logo illumination can operate in constant red, VU-meter, or off modes. For a practical upgrade path, it can serve a four-speaker system, a mixed stereo-and-bridged system, or two bridged speaker\/subwoofer channels.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Class D Design:\u003c\/strong\u003e Powers four speakers or supports multiple bridged system configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2525W Maximum Output:\u003c\/strong\u003e Provides high-output capability for custom vehicle audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable 12dB Crossovers:\u003c\/strong\u003e Helps match frequency ranges to connected speakers or subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQTD Aluminum Heat Sink:\u003c\/strong\u003e Aids heat dispersion during normal music playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED VU Meter:\u003c\/strong\u003e Provides visual feedback when setting amplifier gain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Logo Lighting:\u003c\/strong\u003e Choose constant red, VU-meter, or off illumination.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe DR-2525.4D uses a black V-DRIVE chassis with an aluminum QTD heat sink, nickel-plated brass connection terminals, and screw-down connectors. Its compact amplifier chassis is listed at 6.85 x 5.83 x 2.2 inches, while the manufacturer also lists shipping dimensions of 9.65 x 7 x 3.23 inches. LED power\/protection indicators and the VU meter place key status and setup feedback on the amplifier.\u003c\/p\u003e\u003cp\u003eUse 4 AWG cable for the 12V and ground terminals, as specified by Crunch, and protect the power run with the required external 80A fuse. The speaker terminals accept up to 8 AWG wire, and signal input is through RCA connections with 0.2-6V input sensitivity. Mount the amplifier securely in a ventilated location, set crossover mode separately for channel pairs, and set gain with appropriate test equipment rather than relying on the VU meter alone.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45623028875334,"sku":"DR-2525-4D","price":145.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71uOshLuLSL.jpg?v=1784372417"},{"product_id":"crunch-dr-2725-1d-mono-block-subwoofer-amplifier","title":"Crunch DR-2725.1D Mono Block Subwoofer Amplifier","description":"\u003cp\u003eThe Crunch DR-2725.1D is a compact mono Class D amplifier designed to power a dedicated subwoofer system in a vehicle. It provides a single-channel platform for adding bass without requiring a large multi-channel amplifier. With output ratings at 2- and 4-ohm loads, it is suited to systems built around compatible subwoofer wiring.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners who want dedicated low-frequency reinforcement while retaining adjustment over how the subwoofer integrates with the rest of the audio system. Its variable low-pass crossover, subsonic filter, and bass control help tailor the bass range to the enclosure, subwoofer, and front speakers. A wired bass remote provides convenient level adjustment from the cabin.\u003c\/p\u003e\u003cp\u003eThe DR-2725.1D uses Class D topology and a pulse-width-modulated power supply for an efficient, space-conscious bass amplifier design. Crunch also specifies proprietary SPEED-FET MOSFET output components and a low-noise preamplifier circuit. These elements are paired with RCA signal inputs and adjustable input sensitivity for connection to a compatible source unit.\u003c\/p\u003e\u003cp\u003eThermal management is addressed with Crunch Quick Thermal Dispersion technology and an aluminum heat sink. The amplifier also includes LED protection diagnostics for overload and speaker-short monitoring. Its selectable logo illumination can be set to VU-meter operation, constant red, or off.\u003c\/p\u003e\u003cp\u003eAt just over eight inches long, the DR-2725.1D can fit into many amplifier mounting locations when ventilation and secure mounting are planned correctly. It is a mono-only amplifier, making it a focused choice for a subwoofer channel rather than full-range speakers. Pair it with a properly wired 2- or 4-ohm subwoofer load, suitable power wiring, and an externally fused battery connection.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Delivers dedicated amplification for a subwoofer channel in a compact chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stable Output:\u003c\/strong\u003e Supports compatible 2-ohm and 4-ohm subwoofer configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts the subwoofer cutoff from 40Hz to 300Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Provides adjustable filtering from 10Hz to 40Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Lets you adjust bass level from the driver area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQTD Aluminum Heat Sink:\u003c\/strong\u003e Helps manage heat during normal operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe DR-2725.1D has a black V-DRIVE-series chassis with an aluminum QTD heat sink, nickel-plated brass terminals, screw-down connections, and an LED logo display. The front lighting offers VU-meter, constant-red, and off modes. An end-panel LED VU meter and protection indicators provide visual status during setup and use.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely on a surface with adequate airflow and do not install it upside down. Use 4 AWG cable at the +12V and ground terminals, 8 GA speaker wire at the speaker terminals, and an external 100A fuse placed near the battery connection. Connect a compatible RCA source signal, set gain carefully, and match the final subwoofer load to the amplifier's 2-ohm minimum operating impedance.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45623434379334,"sku":"DR-2725-1D","price":141.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71tGIiPzbqL.jpg?v=1784372754"},{"product_id":"crunch-dr-3125-2d-2-channel-class-d-car-amplifier","title":"Crunch DR-3125-2D 2-Channel Class D Car Amplifier","description":"\u003cp\u003eThe Crunch DR-3125.2D is a compact two-channel Class D car audio amplifier designed to add external amplification to a compatible vehicle sound system. It supports stereo operation or bridged mono operation, allowing it to be used with a pair of speakers or a compatible subwoofer setup. Its universal-fit format makes it suitable for custom car-audio installations rather than a direct replacement for a factory radio.\u003c\/p\u003e\u003cp\u003eCrunch rates this V-DRIVE amplifier at up to 2 x 1,560 watts at 2 ohms, 2 x 780 watts at 4 ohms, or 3,125 watts bridged at 4 ohms. These are manufacturer maximum-power ratings, so system matching should account for the impedance and power-handling limits of the connected speakers. The amplifier is stable to 2 ohms per channel in stereo and requires a 4-ohm load when bridged.\u003c\/p\u003e\u003cp\u003eFor system tuning, the DR-3125.2D includes variable electronic high-pass and low-pass crossovers. Both crossover controls adjust from 40 Hz to 400 Hz with a 12 dB-per-octave slope, giving installers flexibility when building full-range, component-speaker, or subwoofer-oriented systems. An onboard electronic equalizer function further supports frequency tailoring at the amplifier.\u003c\/p\u003e\u003cp\u003eThe amplifier uses proprietary Crunch SPEED-FET MOSFET output devices and a pulse-width-modulated power supply. Its Quick Thermal Dispersion aluminum heat sink is designed to manage operating heat in a compact chassis. A low-noise preamplifier circuit, RCA inputs, and specified signal performance figures support connection to a compatible aftermarket source unit.\u003c\/p\u003e\u003cp\u003eAn integrated LED VU meter provides a visual reference during gain adjustment, while selectable logo illumination can be set to constant red, VU-meter response, or off. Protection-status lighting is provided for overload and speaker-short monitoring. This amplifier is a practical choice for an installer building a wired, RCA-based upgrade system with appropriately matched speakers, subwoofers, wiring, and external fuse protection.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Channel Class D Design:\u003c\/strong\u003e Provides stereo amplification or bridged mono capability in a compact format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3125-Watt Maximum Output:\u003c\/strong\u003e Supports up to 2 x 1,560 watts at 2 ohms or 3,125 watts bridged at 4 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable 12 dB Crossovers:\u003c\/strong\u003e High-pass and low-pass filters adjust from 40 Hz to 400 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED VU Meter:\u003c\/strong\u003e Gives a visual reference when setting amplifier gain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQTD Aluminum Heat Sink:\u003c\/strong\u003e Helps disperse heat during normal operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Logo Lighting:\u003c\/strong\u003e Choose constant red, VU response, or no logo illumination.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe DR-3125.2D has a black V-DRIVE chassis with an aluminum QTD heat sink, nickel-plated brass terminals, and screw-down connectors. Its compact amplifier dimensions are 7.64 inches long, 5.83 inches wide, and 2.2 inches high. The end panel includes LED diagnostics for overload and speaker-short protection, plus illumination and VU-meter functionality.\u003c\/p\u003e\u003cp\u003eInstall the amplifier on a secure surface with adequate ventilation and do not mount it upside down. It uses RCA signal inputs, 4 AWG power and ground terminals, 8 AWG speaker terminals, and an external 125A fuse requirement. Use a compatible 2-ohm-or-higher stereo load or a 4-ohm bridged load, and set gain and crossover controls after the source unit and speakers are connected.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45623491887174,"sku":"DR-3125-2D","price":124.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/7121pfGtOLL.jpg?v=1784372801"},{"product_id":"crunch-dr-3725-1d-mono-subwoofer-amplifier","title":"Crunch DR-3725-1D Mono Subwoofer Amplifier","description":"\u003cp\u003eThe Crunch DR-3725-1D is a mono Class D car amplifier designed to power a dedicated subwoofer system. Its compact chassis helps add bass capability where installation space is limited, while its monoblock layout keeps the focus on low-frequency output. It is intended for universal car-audio installations using compatible subwoofers and a separate source unit.\u003c\/p\u003e\u003cp\u003eThis amplifier is a fit for listeners building or upgrading a bass-focused system and wanting adjustable control over the subwoofer range. Published maximum-output figures are 930 watts at 4 ohms, 1,860 watts at 2 ohms, and 3,725 watts total peak output. The amplifier is specified as stable to 1 ohm, so subwoofer wiring and final impedance should be planned carefully.\u003c\/p\u003e\u003cp\u003eFor system tuning, the DR-3725-1D uses adjustable 12 dB crossovers, a variable low-pass filter, a subsonic filter, and variable bass boost. These controls allow the installer to set the upper bass cutoff, limit ultra-low frequencies, and tailor output to the enclosure and subwoofer being used. A wired bass-level remote is included for convenient adjustment from the driver’s seat.\u003c\/p\u003e\u003cp\u003eCrunch equips the amplifier with proprietary SPEED-FET MOSFET components, a low-noise preamplifier circuit, and a PWM power supply. Quick Thermal Dispersion technology uses an aluminum heat sink to manage operating heat during normal use. The amplifier also includes power and protect indication to help monitor operating status.\u003c\/p\u003e\u003cp\u003eThe DR-3725-1D can serve as the bass channel in a system with an aftermarket receiver or other source unit that provides RCA outputs. RCA inputs, nickel-plated brass terminals, and screw-down connections support a straightforward installation. Its selectable logo lighting can be set to red, VU-meter mode, or off to suit the appearance of the installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Delivers efficient power for a dedicated subwoofer channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stability:\u003c\/strong\u003e Supports compatible low-impedance subwoofer wiring configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Low-Pass Filter:\u003c\/strong\u003e Sets the upper frequency range sent to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Helps limit frequencies below the selected cutoff point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Provides convenient bass-level adjustment from the listening position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQTD Aluminum Heat Sink:\u003c\/strong\u003e Helps manage heat in the compact amplifier chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe DR-3725-1D has a black aluminum heat-sink chassis with Quick Thermal Dispersion cooling technology. Nickel-plated brass connection terminals are designed to resist corrosion, while screw-down connectors help secure installed wiring. A built-in LED VU meter and selectable logo illumination provide visible status and styling options.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a solid surface with clearance for airflow and keep it away from moisture and excessive heat. Use RCA signal cables from a compatible source unit, match the connected subwoofer load to the amplifier’s supported impedance, and use a 4 AWG amplifier wiring kit as recommended. The amplifier uses an external 150A fuse arrangement, so proper power wiring, grounding, and fuse placement are essential.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45623557652550,"sku":"DR-3725-1D","price":178.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/710yr0Mtk1L.jpg?v=1784372841"},{"product_id":"crunch-gp-1000-2-2-channel-car-audio-amplifier","title":"Crunch GP-1000.2 2-Channel Car Audio Amplifier","description":"\u003cp\u003eThe Crunch GP-1000.2 is a two-channel car audio amplifier designed to add external amplification to a vehicle sound system. It can power a pair of speakers in stereo or drive a compatible subwoofer through its bridged mono configuration. This flexibility makes it suitable for focused speaker upgrades, bass additions, or mixed system layouts.\u003c\/p\u003e\u003cp\u003eCrunch lists output ratings of 2 x 500 watts at 2 ohms, 2 x 250 watts at 4 ohms, and 1 x 1,000 watts bridged at 4 ohms. The amplifier can operate in stereo, bridged mono, or stereo\/bridged mono simultaneously. Its Class A\/B topology is intended for systems that prioritize conventional full-range amplification and installation versatility.\u003c\/p\u003e\u003cp\u003eA variable electronic crossover with a 12 dB-per-octave slope helps tailor the amplified signal to the speakers being used. Selectable full-range, high-pass, and low-pass crossover modes support common speaker and subwoofer applications. A built-in bass control and switchable bass boost settings provide additional low-frequency adjustment.\u003c\/p\u003e\u003cp\u003eThe GP-1000.2 accepts low-level RCA input and high-level speaker input, allowing it to work with many aftermarket or factory-source systems. Its low-noise preamplifier circuit is designed to process incoming source signals before amplification. RCA output connections can also pass signal to a second amplifier in an expanded system.\u003c\/p\u003e\u003cp\u003eCrunch equips this model with SPEED-FET MOSFET output devices, a pulse-width-modulated power supply, and a QTD aluminum heat sink. Nickel-plated brass terminals and screw-down connections support secure wiring connections. LED protection diagnostics provide visible indication of overload and speaker-short protection events.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Channel Configuration:\u003c\/strong\u003e Powers a stereo speaker pair or supports a bridged subwoofer setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Operating Modes:\u003c\/strong\u003e Supports stereo, bridged mono, or simultaneous stereo\/bridged mono operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossover:\u003c\/strong\u003e Helps direct appropriate frequencies to speakers or subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- and Low-Level Inputs:\u003c\/strong\u003e Connects to RCA-equipped or factory-radio audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitchable Bass Boost:\u003c\/strong\u003e Offers 0, +6, and +12 dB bass adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection LED Diagnostics:\u003c\/strong\u003e Indicates overload and speaker-short protection conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GP-1000.2 uses a black and red chassis with a QTD aluminum heat sink for thermal management. Its Class A\/B circuit design includes SPEED-FET MOSFET output technology and a pulse-width-modulated power supply. Nickel-plated brass terminals and screw-down connectors are used for the power and speaker connections.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a location with adequate ventilation and do not install it upside down. The installation guide specifies 4 AWG power and ground cable connections, 12 AWG speaker-terminal wiring, and a 20A fuse; the battery-side power cable must be fused within 18 inches of the battery. Set the input level from minimum and use the crossover mode and frequency controls to match the connected speakers or subwoofer.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45623615160390,"sku":"GP-1000-2","price":103.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/6180Shlj6qL.jpg?v=1784372884"},{"product_id":"crunch-gp-1000-4-4-channel-car-audio-amplifier","title":"Crunch GP-1000.4 4-Channel Car Audio Amplifier","description":"\u003cp\u003eThe Crunch GP-1000.4 is a four-channel Class A\/B car audio amplifier designed to add external amplification to a speaker-based system. It provides four channels for front and rear speakers, with the flexibility to bridge channel pairs when a two-channel configuration is preferred. Its manufacturer-stated maximum output is 125 watts by four channels at 4 ohms, 250 watts by four channels at 2 ohms, or 500 watts by two channels bridged at 4 ohms.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to vehicle owners upgrading beyond head-unit power or integrating amplification with a factory radio. RCA low-level inputs support aftermarket source units, while speaker-level inputs provide an option for systems without RCA outputs. Input sensitivity is adjustable from 0.2 to 9 volts for matching the amplifier to the source signal.\u003c\/p\u003e\u003cp\u003eThe GP-1000.4 uses a Class A\/B topology and a low-noise preamplifier circuit for full-range audio amplification. Its 10 Hz to 22 kHz frequency response supports use with component speakers, coaxial speakers, or appropriately configured subwoofer channels. Variable electronic crossovers help divide frequencies for the speakers connected to each channel pair.\u003c\/p\u003e\u003cp\u003eCrunch equips the amplifier with SPEED-FET MOSFET output devices and a pulse-width-modulated power supply. The aluminum heat sink uses QTD, or Quick Thermal Dispersion, design to help manage operating heat. LED diagnostics provide power and protection status for monitoring overload or speaker-short conditions.\u003c\/p\u003e\u003cp\u003eFor system planning, the amplifier can operate in four-channel stereo, stereo plus bridged mono, dual stereo bridged, or dual bridged mono arrangements. It is stable down to 2 ohms per channel in unbridged use and requires a 4-ohm minimum load when bridged. This makes it a flexible choice for powering a conventional four-speaker system or for combining speaker channels with a bridged channel pair.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Class A\/B Design:\u003c\/strong\u003e Powers front and rear speakers from one amplifier chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stereo Stability:\u003c\/strong\u003e Supports compatible 2-ohm loads on individual channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm Bridged Operation:\u003c\/strong\u003e Lets each channel pair drive one compatible bridged load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossovers:\u003c\/strong\u003e Helps tailor high-pass or low-pass frequency routing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA And Speaker-Level Inputs:\u003c\/strong\u003e Works with aftermarket radios or compatible factory-radio signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQTD Aluminum Heat Sink:\u003c\/strong\u003e Helps disperse heat during normal amplifier operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GP-1000.4 has a black-and-red finish, an aluminum heat sink, nickel-plated brass connection terminals, and screw-down connectors. Its compact listed dimensions are 10 inches long, 8 inches wide, and 2.375 inches high, with a listed weight of 6.25 pounds. LED power and protection indicators are located on the amplifier for status monitoring.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a ventilated location and do not install it upside down. The manufacturer specifies 4 AWG power and ground terminals, 12 AWG speaker terminals, and one 30A fuse; the power cable should be fused within 18 inches of the battery. Use RCA inputs when available, or connect the supplied high-level input harness to compatible factory speaker wiring when integrating with an OEM source unit.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45623705337926,"sku":"GP-1000-4","price":133.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61C1xoSFhKL.jpg?v=1784372928"},{"product_id":"crunch-gp-1500-1-1500w-monoblock-car-amplifier","title":"Crunch GP-1500.1 1500W Monoblock Car Amplifier","description":"\u003cp\u003eThe Crunch GP-1500.1 Ground Pounder is a single-channel car amplifier designed to power a dedicated subwoofer system. Its mono configuration concentrates amplifier output on low-frequency reproduction rather than full-range speaker channels. It is intended for vehicle audio upgrades that need separate amplification for bass.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to listeners building a subwoofer-focused system with either an aftermarket or compatible factory audio source. RCA inputs support conventional aftermarket head-unit connections, while speaker-level inputs provide an integration option when RCA outputs are unavailable. A wired bass remote is included for in-vehicle adjustment of the low-frequency level.\u003c\/p\u003e\u003cp\u003eCrunch lists the GP-1500.1 at 1 x 750 watts at 4 ohms and 1 x 1500 watts at 2 ohms. The amplifier operates in mono only and is specified for 2-ohm or 4-ohm speaker loads. Its 10 Hz to 500 Hz frequency response and adjustable filtering are tailored to subwoofer duty.\u003c\/p\u003e\u003cp\u003eBuilt-in tuning controls allow the installation to be matched to the subwoofer and the rest of the sound system. The variable electronic crossover uses a 12 dB-per-octave slope, while the subsonic filter is adjustable from 10 Hz to 40 Hz. Bass boost is switchable between 0, +6, and +12 dB, and phase adjustment covers 0 to 180 degrees.\u003c\/p\u003e\u003cp\u003eThe GP-1500.1 uses Crunch SPEED-FET MOSFET output components, a pulse-width-modulated power supply, and an aluminum QTD heat sink. It can serve as the bass amplifier in a system that retains factory audio or adds an aftermarket receiver. Proper power wiring, grounding, fusing, and a subwoofer load compatible with the amplifier's published ratings are essential for installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Subwoofer Amplifier:\u003c\/strong\u003e Uses one channel for dedicated low-frequency speaker operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2- and 4-Ohm Ratings:\u003c\/strong\u003e Published power ratings support common subwoofer wiring configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossover:\u003c\/strong\u003e Helps set the frequency range sent to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Subsonic Filter:\u003c\/strong\u003e Limits ultra-low frequencies from 10 Hz to 40 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- and Low-Level Inputs:\u003c\/strong\u003e Supports RCA sources and compatible factory speaker-level signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Provides convenient bass-level adjustment from the driver's seat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe amplifier has a black and red finish with an aluminum heat sink using Crunch Quick Thermal Dispersion Technology. It uses nickel-plated brass terminals and screw-down connectors for its electrical and speaker connections. LED diagnostic indicators monitor overload and speaker-short protection conditions.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a solid surface with ventilation around the heat sink and away from excess heat or moisture. Use 4 AWG power and ground wiring at the amplifier terminals, 12 AWG speaker wire at the speaker terminals, and the specified two 25A fuses. Connect a subwoofer system with a final nominal impedance of 2 or 4 ohms, then set gain, crossover, subsonic filter, phase, and bass boost conservatively during setup.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45623795449926,"sku":"GP-1500-1","price":139.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61LB-R5r5DL.jpg?v=1784372980"},{"product_id":"crunch-gp-1500-2-ground-pounder-2-channel-amplifier","title":"Crunch GP-1500.2 Ground Pounder 2-Channel Amplifier","description":"\u003cp\u003eThe Crunch GP-1500.2 Ground Pounder is a two-channel Class A\/B car audio amplifier for adding dedicated power to a vehicle sound system. It can run a pair of speakers in stereo or power a compatible subwoofer through its bridged output. This flexibility makes it suitable for systems that need more output than a head unit's built-in amplifier can provide.\u003c\/p\u003e\u003cp\u003eFor stereo applications, the GP-1500.2 is rated for 325 watts per channel at 4 ohms or 750 watts per channel at 2 ohms. When configured in bridged mono, it is rated for 1,500 watts at 4 ohms. Match the amplifier's operating mode and impedance requirements carefully to the speakers or subwoofer being used.\u003c\/p\u003e\u003cp\u003eThe amplifier includes a variable electronic crossover with a 12 dB-per-octave slope to help direct the appropriate frequency range to connected speakers. Its built-in bass control and switchable bass boost provide additional low-frequency adjustment. A 0.2-9V variable input range supports setup with a variety of source-unit signal levels.\u003c\/p\u003e\u003cp\u003eInstallation options include low-level RCA inputs for aftermarket receivers and speaker-level inputs for factory or aftermarket radios without RCA preouts. The amplifier can operate in stereo, bridged mono, or stereo\/bridged mono configurations as specified by Crunch. RCA outputs can also pass signal to another amplifier in a larger system.\u003c\/p\u003e\u003cp\u003eCrunch builds the GP-1500.2 with SPEED-FET MOSFET output devices, a high-energy pulse-width-modulated power supply, and a QTD aluminum heat sink. Nickel-plated brass terminals and screw-down connections support secure wiring. LED diagnostics provide visual indication of power and protection status during operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Channel Class A\/B Design:\u003c\/strong\u003e Provides dedicated amplification for stereo speakers or a bridged subwoofer setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stereo Capability:\u003c\/strong\u003e Delivers up to 750 watts per channel at 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm Bridged Output:\u003c\/strong\u003e Provides a 1,500-watt mono configuration for a compatible subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossover:\u003c\/strong\u003e Helps tailor frequency output for speakers or subwoofer duty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- and Low-Level Inputs:\u003c\/strong\u003e Works with RCA-equipped receivers and radios with speaker outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Protection Diagnostics:\u003c\/strong\u003e Gives a visual indication of amplifier power and protection status.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GP-1500.2 has a black-and-red chassis with a QTD Technology aluminum heat sink for thermal management. Its Class A\/B topology uses Crunch SPEED-FET MOSFET output devices and a pulse-width-modulated power supply. Nickel-plated brass connection terminals and screw-down connectors are designed for secure, serviceable wiring.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a secure surface with adequate ventilation and do not install it upside down. Use 4 AWG power and ground wiring, a 25A fuse, and a properly prepared chassis ground close to the amplifier; the power cable should be fused within 18 inches of the battery. Use RCA inputs when available, or the high-level input harness with a source unit that lacks RCA outputs, then select stereo or bridged wiring only for a load compatible with the chosen configuration.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45623909974086,"sku":"GP-1500-2","price":116.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61VUE-a3-xL.jpg?v=1784373039"},{"product_id":"crunch-gp-1500-4-4-channel-car-amplifier","title":"Crunch GP-1500.4 4-Channel Car Amplifier","description":"\u003cp\u003eThe Crunch GP-1500.4 is a four-channel Class A\/B car audio amplifier designed to add external power and system flexibility to a vehicle sound system. It can drive four speakers in stereo or support bridged channel pairs for higher-power applications. This makes it suitable for upgrading factory or aftermarket speaker systems while retaining control over system configuration.\u003c\/p\u003e\u003cp\u003eWith output ratings of 4 x 185 watts at 4 ohms and 4 x 375 watts at 2 ohms, the GP-1500.4 is built for systems using compatible full-range speakers. It can also bridge into two 4-ohm loads at 750 watts per channel pair. The amplifier supports four-channel stereo, dual stereo bridged, stereo plus bridged mono, and dual bridged mono operating modes.\u003c\/p\u003e\u003cp\u003eThe built-in variable electronic crossover helps tailor the signal sent to connected speakers. Selectable full-range, high-pass, and low-pass modes allow installers to configure channel pairs for component speakers, coaxial speakers, or compatible subwoofer duty. Variable high-pass and low-pass controls cover a 40 to 400 Hz range.\u003c\/p\u003e\u003cp\u003eThe amplifier accepts both RCA low-level and speaker-level inputs, providing connection options for aftermarket receivers and many factory audio systems. Its adjustable 0.2 to 9V input sensitivity range supports level matching to the source unit. A low-noise preamplifier circuit is used ahead of the amplifier section.\u003c\/p\u003e\u003cp\u003eCrunch equips the GP-1500.4 with SPEED-FET MOSFET output components, a pulse-width-modulated power supply, and an aluminum heat sink using Quick Thermal Dispersion technology. Switchable bass boost provides 0, +6, or +12 dB settings. The compact chassis can serve as the power stage for a four-speaker upgrade or a mixed system using stereo speakers and bridged channels.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Design:\u003c\/strong\u003e Powers up to four speakers from one chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stable Outputs:\u003c\/strong\u003e Delivers 375 watts per channel at 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged Channel Pairs:\u003c\/strong\u003e Provides two 750-watt outputs into 4 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossover:\u003c\/strong\u003e Select high-pass, low-pass, or full-range operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- And Low-Level Inputs:\u003c\/strong\u003e Connects with factory or aftermarket source units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitchable Bass Boost:\u003c\/strong\u003e Offers 0, +6, and +12 dB settings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GP-1500.4 uses a black and red aluminum heat-sink chassis with Class A\/B circuitry. Its power section incorporates a high-energy PWM power supply and SPEED-FET MOSFET components. Nickel-plated brass terminals with screw-down connections provide the amplifier's power and speaker connection points.\u003c\/p\u003e\u003cp\u003eMount the amplifier in a secure, ventilated location away from moisture and excessive heat. Use up to 4 AWG power and ground wire, use speaker wire up to 12 AWG at the amplifier terminals, and protect the power connection with appropriate fusing. Configure each channel pair for full-range, high-pass, or low-pass use, and maintain a 2-ohm minimum load per unbridged channel or a 4-ohm minimum load when bridged.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45623991664710,"sku":"GP-1500-4","price":139.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71JMGioEtNL.jpg?v=1784373086"},{"product_id":"crunch-gp-2000-2-2-channel-car-amplifier","title":"Crunch GP-2000.2 2-Channel Car Amplifier","description":"\u003cp\u003eThe Crunch GP-2000.2 is a two-channel Class A\/B car audio amplifier for adding external power to a vehicle sound system. It is designed to run a pair of speakers in stereo or a compatible subwoofer setup in bridged mono. Its selectable crossover and level controls help tailor the amplifier to the speakers being used.\u003c\/p\u003e\u003cp\u003eThis amplifier suits listeners upgrading beyond head-unit power and installers building a straightforward speaker or subwoofer system. It accepts both low-level RCA and high-level speaker inputs, making it usable with many aftermarket or factory source units. A 2-ohm stereo minimum impedance and 4-ohm bridged minimum impedance provide practical wiring options.\u003c\/p\u003e\u003cp\u003eThe GP-2000.2 is rated for up to 1,000 watts per channel at 2 ohms, 500 watts per channel at 4 ohms, or 2,000 watts peak in 4-ohm bridged mono. These are manufacturer peak-power ratings rather than RMS ratings. Its Class A\/B design and low-noise preamplifier circuit are intended for full-range or subwoofer amplification applications.\u003c\/p\u003e\u003cp\u003eIts built-in Versa-Cross electronic crossover offers full-range, high-pass, and low-pass operating modes with a 12 dB-per-octave slope. Variable high-pass and low-pass controls span 40 to 400 Hz, helping separate bass from midrange and high-frequency duties. A selectable 0, 6, or 12 dB bass boost provides an additional low-frequency adjustment.\u003c\/p\u003e\u003cp\u003eThe amplifier uses a high-energy PWM power supply, SPEED-FET MOSFET components, and an aluminum heat sink with Quick Thermal Dispersion technology. Power and protection indicators provide basic operating-status feedback, while overload and speaker-short protection help identify fault conditions. It is a compact option for an amplified two-speaker system or a bridged subwoofer installation with appropriate impedance matching.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Channel Class A\/B Design:\u003c\/strong\u003e Powers stereo speakers or a bridged mono load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stereo Stability:\u003c\/strong\u003e Supports compatible 2-ohm loads on each channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm Bridged Operation:\u003c\/strong\u003e Combines both channels for a mono subwoofer setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Versa-Cross Crossover:\u003c\/strong\u003e Select high-pass, low-pass, or full-range operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- and Low-Level Inputs:\u003c\/strong\u003e Works with speaker-level or RCA source signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Bass Boost:\u003c\/strong\u003e Offers 0, 6, and 12 dB settings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GP-2000.2 uses an aluminum heat sink, nickel-plated brass connection terminals, and screw-down connectors. Its internal design includes a PWM power supply, SPEED-FET MOSFET components, and thermal-dispersion engineering. LED power and protection indicators are located on the amplifier for system-status monitoring.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a dry, ventilated location and do not mount it upside down. Use 4 AWG power and ground cable, connect the ground to clean bare vehicle metal near the amplifier, and fuse the positive battery cable within 18 inches of the battery. Use RCA inputs when available, or connect the high-level input harness to factory speaker outputs; match speaker impedance to the selected stereo or bridged wiring configuration.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45624089641030,"sku":"GP-2000-2","price":119.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71w5h0MLOnL.jpg?v=1784373133"},{"product_id":"crunch-gp-2000-4-4-channel-class-ab-car-amplifier","title":"Crunch GP-2000.4 4-Channel Class AB Car Amplifier","description":"\u003cp\u003eThe Crunch GP-2000.4 Ground Pounder is a four-channel car audio amplifier for powering an upgraded speaker system from a factory or aftermarket source unit. It provides four-channel operation for front and rear speakers, with bridged configurations available when a system needs higher output on paired channels. High-level inputs also make it suitable for installations that retain a factory radio without RCA preamp outputs.\u003c\/p\u003e\u003cp\u003eThis Class A\/B amplifier is rated for 4 x 250 watts at 4 ohms or 4 x 500 watts at 2 ohms. For systems that need paired-channel output, it can be configured for 2 x 1,000 watts bridged at 4 ohms. Its selectable operating arrangements support four-channel stereo, dual stereo bridged, stereo plus bridged mono, or dual bridged mono setups.\u003c\/p\u003e\u003cp\u003eThe GP-2000.4 is designed for installers and enthusiasts building a multi-speaker system with adjustable signal shaping. Variable electronic crossovers help direct suitable frequency ranges to connected speakers, while the built-in bass control and selectable bass boost allow system-level adjustment. Input sensitivity is variable from 0.2 to 9 volts to accommodate a range of source-unit signal levels.\u003c\/p\u003e\u003cp\u003eCrunch uses SPEED-FET MOSFET output devices and a high-energy pulse-width-modulated power supply in this amplifier. Its QTD aluminum heat sink is intended to disperse heat during operation, and the low-noise preamplifier circuit supports a clean signal path from the source unit. LED diagnostics provide visual indication for overload and speaker-short protection.\u003c\/p\u003e\u003cp\u003eFor an upgrade path, the GP-2000.4 can run four speakers independently or be bridged into two higher-output channels at the specified 4-ohm load. RCA inputs support conventional aftermarket head-unit connections, while high-level inputs provide an option for OEM integration. An RCA output can also pass signal to a second amplifier when expanding the system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Design:\u003c\/strong\u003e Powers front and rear speakers from one amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Bridging:\u003c\/strong\u003e Supports two bridged 4-ohm channel pairs when needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossovers:\u003c\/strong\u003e Helps tailor frequency ranges for connected speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Level Inputs:\u003c\/strong\u003e Connects to factory radios without RCA outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQTD Aluminum Heat Sink:\u003c\/strong\u003e Helps disperse heat during normal operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Protection Diagnostics:\u003c\/strong\u003e Indicates overload and speaker-short protection status.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GP-2000.4 has a black and red chassis with an aluminum QTD heat sink, nickel-plated brass connection terminals, and screw-down connectors. Its compact amplifier dimensions are 11.5 inches long, 8 inches wide, and 2.375 inches high. The design also incorporates SPEED-FET MOSFET output components, a low-noise preamplifier circuit, and a pulse-width-modulated power supply.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a secure surface with adequate ventilation and do not install it upside down. The power and ground terminals accept 4 AWG cable, while speaker terminals accept 12 AWG cable; the manufacturer specifies 30A x 2 fusing. Use RCA inputs with compatible preamp outputs, or use the supplied high-level-input harness with a source unit that lacks RCA outputs, and observe the labeled speaker and bridged-output connections.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45624154947654,"sku":"GP-2000-4","price":137.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61feOZ4WLmL.jpg?v=1784373173"},{"product_id":"crunch-gp-2500-1-2500w-monoblock-car-amplifier","title":"Crunch GP-2500.1 2500W Monoblock Car Amplifier","description":"\u003cp\u003eThe Crunch GP-2500.1 Ground Pounder is a single-channel car audio amplifier designed to power a subwoofer system. It provides one amplified output channel and supports subwoofer-focused tuning controls. This makes it a practical choice for adding dedicated low-frequency amplification to a vehicle audio system.\u003c\/p\u003e\u003cp\u003eIts rated output is listed at 1 x 1,250 watts at 4 ohms and 1 x 2,500 watts at 2 ohms. The mono configuration is intended for a single subwoofer or a properly wired group of subwoofers. Matching the final speaker load to the amplifier's supported power ratings is important during system planning.\u003c\/p\u003e\u003cp\u003eThe GP-2500.1 uses a Class A\/B amplifier design with Crunch SPEED-FET MOSFET output devices and a pulse-width-modulated power supply. A low-noise preamplifier circuit is used at the signal input stage. Together, these features support a subwoofer amplifier layout with adjustable bass-system controls.\u003c\/p\u003e\u003cp\u003eFor tuning, the amplifier includes a variable electronic 12 dB-per-octave crossover, a 10-40 Hz subsonic filter, phase adjustment, and selectable bass boost. These controls help integrate the subwoofer with the rest of the system and tailor its operating range. A wired bass remote is included for accessible adjustment from the vehicle cabin.\u003c\/p\u003e\u003cp\u003eThe amplifier accepts low-level RCA signals as well as high-level speaker inputs for systems without RCA outputs. This allows it to work with many aftermarket and factory-style source units when installed with the appropriate wiring. Its RCA output can also pass signal onward to a second amplifier.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Subwoofer Output:\u003c\/strong\u003e Single-channel design for dedicated subwoofer amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Power Rating:\u003c\/strong\u003e Delivers 1 x 2,500 watts at 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Crossover:\u003c\/strong\u003e 12 dB-per-octave electronic filtering supports system tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Adjustable 10-40 Hz filter helps manage very low frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Level Inputs:\u003c\/strong\u003e Connects to source units without RCA outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Provides convenient in-vehicle bass-level adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GP-2500.1 has a black and red chassis with a QTD aluminum heat sink for thermal dispersion. Nickel-plated brass terminals are paired with screw-down connectors for the power, ground, and speaker connections. LED diagnostic indicators provide visual monitoring for overload and speaker-short protection.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely on a surface with adequate ventilation, and do not mount it upside down. The manufacturer specifies 4 AWG power and ground terminals, 12 AWG speaker terminals, and two 30A fuses. Use RCA inputs where available, or use the supplied high-level-input harness with a source unit that lacks RCA outputs.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45624228544582,"sku":"GP-2500-1","price":147.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61RDzQwyfEL.jpg?v=1784373215"},{"product_id":"crunch-gp-3500-1d-3500w-monoblock-car-amplifier","title":"Crunch GP-3500.1D 3500W Monoblock Car Amplifier","description":"\u003cp\u003eThe Crunch GP-3500.1D Ground Pounder is a mono Class D car amplifier designed to power a subwoofer system. It provides a dedicated low-frequency amplification channel for vehicles whose factory or aftermarket audio system needs more bass output. Its compact chassis helps make a dedicated subwoofer upgrade practical in a wide range of vehicle installations.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners building a mono subwoofer stage rather than powering full-range speakers. Manufacturer-listed output is 875 watts at 4 ohms, 1,750 watts at 2 ohms, and 3,500 watts at 1 ohm. Select a subwoofer or subwoofer wiring configuration that presents a safe final impedance for the amplifier.\u003c\/p\u003e\u003cp\u003eThe GP-3500.1D uses a variable electronic crossover with a 12 dB-per-octave slope to help blend a subwoofer with the rest of the system. Its adjustable low-pass filtering and 10-40 Hz subsonic filter allow the bass range to be tailored to the enclosure and vehicle. A 0-180-degree phase adjustment can assist with system integration when bass response changes at the listening position.\u003c\/p\u003e\u003cp\u003eCrunch equips this model with a high-energy pulse-width-modulated power supply, SPEED-FET MOSFET output devices, and a QTD aluminum heat sink. These elements support the amplifier's Class D architecture while helping manage heat in a compact 11.5-inch-long chassis. Low-noise preamplifier circuitry is used for low-level source signals.\u003c\/p\u003e\u003cp\u003eThe GP-3500.1D can accept RCA low-level inputs or speaker-level inputs, making it suitable for many aftermarket and factory-radio upgrade paths. A wired bass remote is included for convenient bass adjustment from the cabin. It is a focused solution for adding a dedicated subwoofer amplifier to a car audio system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Provides one dedicated channel for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stability:\u003c\/strong\u003e Supports manufacturer-rated operation down to a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossover:\u003c\/strong\u003e Helps set the subwoofer's operating range within the system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Subsonic Filter:\u003c\/strong\u003e Offers 10-40 Hz filtering for enclosure-aware setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA And Speaker-Level Inputs:\u003c\/strong\u003e Supports aftermarket radios and many factory-audio integration paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Allows convenient bass-level adjustment from the driver's area.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GP-3500.1D has a black-and-red aluminum QTD heat-sink design with nickel-plated brass connection terminals and screw-down connectors. Its Class D layout, SPEED-FET MOSFET output technology, and pulse-width-modulated power supply are engineered for subwoofer amplification in a relatively compact footprint. LED diagnostics provide visual indication for overload and speaker-short protection.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a location with adequate ventilation and do not install it upside down. Use 4 AWG cable at the power and ground terminals, up to 12 AWG speaker wire at the speaker terminals, and the specified 30A x 2 fuse arrangement. Connect by RCA or speaker-level input as appropriate, set the low-pass, subsonic, phase, and bass controls conservatively, and verify that the final subwoofer load is no lower than 1 ohm.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45624269537350,"sku":"GP-3500-1D","price":163.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/617dUPLK40L.jpg?v=1784373258"},{"product_id":"crunch-pz21530-4d-1500w-4-channel-class-d-amplifier","title":"Crunch PZ21530-4D 1500W 4-Channel Class D Amplifier","description":"\u003cp\u003eThe Crunch PZ21530-4D is a four-channel Class D car audio amplifier designed to add external power and tuning flexibility to an aftermarket or factory-based sound system. It can drive front and rear speakers in a conventional four-channel layout, or it can be configured for bridged operation where appropriate. Its compact chassis helps make it practical for vehicle installations where amplifier space is limited.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to listeners upgrading factory speaker output, adding power to component speakers, or building a mixed speaker-and-subwoofer system. It accepts low-level RCA signals as well as speaker-level input, allowing integration with source units that do not provide RCA preamp outputs. A full-range RCA output can also pass signal to an additional amplifier.\u003c\/p\u003e\u003cp\u003eOutput is rated at 4 x 375 watts at 2 ohms, 4 x 200 watts at 4 ohms, or 2 x 750 watts bridged at 4 ohms. These configuration options allow the amplifier to support a four-speaker system or a combination of speakers and bridged channels. Proper speaker impedance and wiring configuration are important when selecting an operating mode.\u003c\/p\u003e\u003cp\u003eVariable high-pass and low-pass crossovers provide 12 dB-per-octave filtering from 40 to 400 Hz. This lets an installer remove deep bass from smaller speakers or direct lower frequencies to compatible subwoofer channels. Built-in bass control and adjustable input sensitivity further support system-level tuning.\u003c\/p\u003e\u003cp\u003eThe PZ21530-4D uses Crunch SPEED-FET MOSFET output technology, a MOSFET pulse-width-modulation power supply, and QTD quick thermal dispersion heat management. Nickel-plated brass connections and hex set-screw terminals support secure power, ground, and speaker wiring. LED protection diagnostics provide visual status monitoring for overload and speaker-short protection.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Class D Design:\u003c\/strong\u003e Powers a full speaker system or bridged channel pairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1500-Watt Maximum Power:\u003c\/strong\u003e Provides power capacity across four amplifier channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stereo Capability:\u003c\/strong\u003e Delivers up to 375 watts per channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossovers:\u003c\/strong\u003e Helps match frequency output to connected speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA And Speaker-Level Inputs:\u003c\/strong\u003e Supports aftermarket and many factory-radio installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Protection Diagnostics:\u003c\/strong\u003e Indicates overload and speaker-short protection status.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe amplifier has a compact black and gray chassis measuring 11.75 by 7 by 3.25 inches. Its design incorporates QTD thermal dispersion, SPEED-FET MOSFET output devices, a MOSFET PWM power supply, and nickel-plated brass connections with hex set-screw terminals. These components are intended to support efficient operation and secure electrical connections.\u003c\/p\u003e\u003cp\u003eMount the amplifier to a solid surface with adequate ventilation and do not mount it upside down. Use 4 AWG power and ground wiring, protect the positive battery cable with the specified external 40-amp fuse within 18 inches of the battery, and use 12 AWG speaker wiring. Set gain and crossover controls after confirming speaker impedance, channel mode, and polarity; professional installation is advisable for complex or bridged systems.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45624269602886,"sku":"PZ21530-4D","price":138.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61sOmUQkvuL.jpg?v=1784373308"},{"product_id":"crunch-sa-1100-1-smash-series-monoblock-class-ab-amplifier","title":"Crunch SA-1100.1 Smash Series Monoblock Class AB Amplifier","description":"\u003cp\u003eThe Crunch SA-1100.1 is a Smash Series monoblock car audio amplifier designed to add dedicated low-frequency amplification to a vehicle sound system. Its single-channel configuration is intended for subwoofer duty rather than full-range multi-speaker amplification. It provides rated output of 195 watts RMS x 1 at 2 ohms or 120 watts RMS x 1 at 4 ohms.\u003c\/p\u003e\u003cp\u003eThis amplifier suits listeners building a straightforward bass upgrade with one subwoofer or a properly wired subwoofer group. It operates in mono only and is rated stable down to a 2-ohm load. High-level inputs also allow it to work with many factory or aftermarket radios that do not provide RCA preamp outputs.\u003c\/p\u003e\u003cp\u003eThe SA-1100.1 uses a Class A\/B circuit topology with Crunch SPEED-FET MOSFET output components and a pulse-width-modulated power supply. Its low-noise preamplifier circuit is designed to accept the source signal before amplification. A variable input sensitivity range of 0.2 to 9 volts helps match the amplifier to different source-unit output levels.\u003c\/p\u003e\u003cp\u003eSystem tuning tools include a variable electronic crossover with a 12 dB-per-octave slope, a 40 to 300 Hz low-pass filter, and a 10 to 40 Hz subsonic filter. Switchable bass boost offers 0, +6, or +12 dB settings, while selectable phase adjustment provides 0 or 180 degrees. A wired bass remote is included for adjusting bass level from the cabin.\u003c\/p\u003e\u003cp\u003eFor an upgrade path, the SA-1100.1 can be used as the dedicated bass amplifier alongside a separate amplifier for door speakers. Its 10 to 500 Hz frequency response and low-pass filtering support integration with higher-frequency speakers. RCA and speaker-level input options provide flexibility when planning either an aftermarket-radio or factory-radio installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Subwoofer Output:\u003c\/strong\u003e Single-channel design focuses amplification on a bass speaker system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm RMS Rating:\u003c\/strong\u003e Delivers 195 watts RMS x 1 at 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts the upper bass cutoff from 40 to 300 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Adjustable 10 to 40 Hz filtering helps manage very low frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Input Options:\u003c\/strong\u003e RCA and high-level inputs support varied source units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Lets you adjust bass level from the listening position.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe SA-1100.1 has a QTD aluminum heat sink intended to disperse heat, along with nickel-plated brass connection terminals. Screw-down connectors provide tool-accessible cable attachment points. LED diagnostic circuitry monitors overload and speaker-short protection conditions.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a dry, ventilated location and avoid mounting it upside down. The 12-volt and ground terminals accept up to 4 AWG cable, while the speaker terminals accept up to 12 AWG wire. Use either RCA or supplied-harness high-level signal wiring, match the connected subwoofer load to the amplifier's 2- or 4-ohm ratings, and set gain and filters during final system tuning.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45624832786502,"sku":"SA-1100-1","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61o-dw7DiqL.jpg?v=1784373644"},{"product_id":"crunch-sa-1100-4-4-channel-class-ab-car-amplifier","title":"Crunch SA-1100.4 4-Channel Class AB Car Amplifier","description":"\u003cp\u003eThe Crunch SA-1100.4 is a four-channel Class AB car amplifier designed to add dedicated amplification to a factory or aftermarket audio system. It can power front and rear speakers from four channels or be configured to bridge channel pairs for higher-output two-channel applications. Its selectable operating modes make it suitable for straightforward speaker upgrades as well as mixed speaker-and-subwoofer system layouts.\u003c\/p\u003e\u003cp\u003eAt its published output ratings, the SA-1100.4 delivers 40 watts per channel into 2 ohms or 30 watts per channel into 4 ohms. When two channel pairs are bridged into 4-ohm loads, it provides 60 watts per bridged channel pair. This flexibility helps match the amplifier to common full-range speaker configurations without requiring separate amplifiers for every setup.\u003c\/p\u003e\u003cp\u003eThe amplifier uses Class AB topology with a pulse-width-modulated power supply and Crunch SPEED-FET MOSFET output-device technology. A low-noise preamplifier circuit and RCA signal connections support clean signal transfer from compatible source units. High-level inputs also allow integration with source units that do not provide RCA preamp outputs.\u003c\/p\u003e\u003cp\u003eBuilt-in crossover controls allow the amplifier to be tuned for full-range speakers, high-pass applications, or low-pass applications. Separate crossover controls for channel pairs 1\/2 and 3\/4 make it possible to configure different speaker roles in the same installation. The selectable bass control provides an additional low-frequency adjustment option when system tuning calls for it.\u003c\/p\u003e\u003cp\u003eThe SA-1100.4 fits naturally into an entry-level or replacement amplifier upgrade path for vehicles needing more control than a head unit's internal amplifier can provide. It includes RCA input and output connections for signal routing to another amplifier, helping support expandable systems. Its combination of stereo, bridged, and mixed-mode operation gives installers multiple ways to allocate its four channels.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Class AB Design:\u003c\/strong\u003e Powers up to four speakers from one chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Operating Modes:\u003c\/strong\u003e Supports stereo, bridged, and mixed-channel configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossover:\u003c\/strong\u003e Helps direct appropriate frequencies to connected speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Level Inputs:\u003c\/strong\u003e Connects with factory radios lacking RCA outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA Input And Output:\u003c\/strong\u003e Supports low-level signal input and amplifier expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Status Indicators:\u003c\/strong\u003e Lighted diagnostics monitor overload and speaker-short conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe SA-1100.4 uses an aluminum QTD heat sink intended to disperse operating heat, along with nickel-plated brass connection terminals and screw-down connectors. Its Class AB circuit design uses a pulse-width-modulated power supply and SPEED-FET MOSFET output devices. LED diagnostic indicators are provided for overload and speaker-short protection monitoring.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a ventilated location and do not install it upside down. It accepts low-level RCA input or high-level speaker input through the supplied harness, with RCA output available for another amplifier. Use the 4 AWG power and ground terminals, 12 AWG speaker terminals, a 30A fuse, and set the input level and crossover controls to suit the connected speakers and source unit.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45624922603590,"sku":"SA-1100-4","price":118.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61FzKW6YyrL.jpg?v=1784373702"},{"product_id":"crunch-sa-2100-1-smash-series-monoblock-class-ab-amplifier","title":"Crunch SA-2100.1 Smash Series Monoblock Class AB Amplifier","description":"\u003cp\u003eThe Crunch SA-2100.1 Smash Series is a one-channel Class AB car amplifier designed to power a subwoofer system. It provides a dedicated mono output for drivers who want to add low-frequency reinforcement without using a multi-channel amplifier. RMS output is rated at 425 watts at 2 ohms or 285 watts at 4 ohms.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for vehicle audio systems using a compatible 2-ohm or 4-ohm subwoofer load. Its mono-only configuration keeps setup focused on bass reproduction, while the built-in bass control provides an accessible way to adjust output from the listening position. A wired bass remote is included.\u003c\/p\u003e\u003cp\u003eThe SA-2100.1 uses a variable electronic crossover with a 12 dB-per-octave slope to help tailor the amplifier for a subwoofer application. A variable subsonic filter from 10 to 40 Hz helps limit very low-frequency content. Switchable bass boost and phase adjustment add further tuning flexibility.\u003c\/p\u003e\u003cp\u003eFor signal integration, the amplifier provides RCA inputs as well as high-level speaker inputs for systems that do not have RCA preamp outputs. Its 0.2 to 9V variable input-voltage range supports matching the amplifier to different source-unit signal levels. The frequency response is specified from 10 Hz to 500 Hz.\u003c\/p\u003e\u003cp\u003eCrunch equips the SA-2100.1 with SPEED-FET MOSFET output components, a pulse-width-modulated power supply, and QTD aluminum heat-sink technology. Nickel-plated brass terminals are used for the power and speaker connections. LED protection diagnostics monitor overload and speaker-short conditions.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class AB Output:\u003c\/strong\u003e Delivers dedicated amplification for a compatible subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e425W RMS at 2 Ohms:\u003c\/strong\u003e Provides its highest listed continuous output into a 2-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossover:\u003c\/strong\u003e Lets you tailor the amplifier's frequency filtering for bass duty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Adjustable 10-40 Hz filtering helps manage ultra-low-frequency content.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Remote Included:\u003c\/strong\u003e Gives you convenient wired adjustment of bass level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA and High-Level Inputs:\u003c\/strong\u003e Supports aftermarket radios and factory-radio integration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe SA-2100.1 combines a Class AB amplifier platform with a QTD aluminum heat sink intended to disperse heat during operation. SPEED-FET MOSFET components and a pulse-width-modulated power supply are part of its power-stage design. Nickel-plated brass connection terminals are specified for corrosion resistance and secure cable attachment.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a secure surface with adequate ventilation and do not mount it upside down. Installation requires 4-gauge power and ground wiring, while the speaker terminal accepts 12-gauge wire. Match the connected subwoofer system to a supported 2-ohm or 4-ohm load, then set gain, crossover, subsonic filter, bass boost, and phase appropriately for the system.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":45624996102214,"sku":"SA-2100-1","price":174.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/619a1t_z62L.jpg?v=1784373740"}],"url":"https:\/\/audiowatt.store\/collections\/crunch.oembed?page=2","provider":"Audio Watt Store","version":"1.0","type":"link"}