{"title":"SoundXtreme","description":null,"products":[{"product_id":"soundxtreme-st-503-5-25-3-way-coaxial-speakers","title":"SoundXtreme ST-503 5.25\" 3-Way Coaxial Speakers","description":"\u003cp\u003eThe SoundXtreme ST-503 is a pair of 5.25-inch, 3-way coaxial car speakers intended as a replacement for factory-installed speakers. It provides a compact option for vehicles that use 5.25-inch speaker locations. The full-range coaxial layout keeps the woofer and high-frequency drivers together in each speaker assembly.\u003c\/p\u003e\u003cp\u003eThis set is suited to listeners looking to refresh an aging factory speaker system or build a basic replacement system around a compatible head unit or amplifier. Its 4-ohm impedance is the common nominal load used by many car-audio systems. Confirm the vehicle's opening size, mounting depth, and connector arrangement before ordering.\u003c\/p\u003e\u003cp\u003eThe ST-503 uses a 3-way design, combining a woofer section with integrated midrange and high-frequency reproduction. This arrangement is designed to cover a broad portion of the audible range from each mounting location. The published frequency response is 100 Hz to 20 kHz, so low bass below that range is better handled by a dedicated subwoofer when deeper bass is desired.\u003c\/p\u003e\u003cp\u003eA polypropylene mid-woofer cone and PEI dome tweeter are specified for the speaker system. The listed 20 mm voice coil and 5.3-ounce magnet are part of its compact coaxial construction. With an 88 dB sensitivity rating, output will depend on the source unit or amplifier power, installation quality, and vehicle acoustics.\u003c\/p\u003e\u003cp\u003eRated for 320 watts peak power, the ST-503 is intended for everyday replacement-speaker use rather than as a standalone bass solution. It can be used with a factory radio or an aftermarket system that is compatible with 4-ohm speakers. For a balanced upgrade, pair it with clean amplification and properly fitted mounting hardware.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.25-Inch Size:\u003c\/strong\u003e Fits applications designed for compact round speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Way Coaxial Layout:\u003c\/strong\u003e Integrates multiple driver elements in each speaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm Impedance:\u003c\/strong\u003e Supports common factory and aftermarket car-audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e320W Peak Rating:\u003c\/strong\u003e Provides the published peak power-handling specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePEI Dome Tweeter:\u003c\/strong\u003e Handles high-frequency reproduction within the coaxial design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5-Inch Mounting Depth:\u003c\/strong\u003e Helps with fitment planning behind the mounting surface.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-503 uses a polypropylene mid-woofer cone, PEI dome tweeter, 20 mm voice coil, and 5.3-ounce magnet. Its full-range 3-way coaxial construction combines the driver elements in a single round speaker assembly. The listed outside diameter is 5.25 inches.\u003c\/p\u003e\u003cp\u003eCheck that the vehicle accepts a 5.25-inch round speaker and has at least 2.5 inches of mounting clearance before installation. Verify factory mounting-hole alignment, terminal connection type, and any required adapters separately, as fitment hardware is vehicle-specific. Use two matching speakers as a left\/right pair and observe correct positive and negative polarity when wiring.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45613243301958,"sku":"ST-503","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/81OXZUIcUdL.jpg?v=1784350558"},{"product_id":"soundxtreme-st-2500-2-2-channel-class-ab-car-amplifier","title":"SoundXtreme ST-2500-2 2-Channel Class AB Car Amplifier","description":"\u003cp\u003eThe SoundXtreme ST-2500-2 is a 2-channel Class AB car audio amplifier designed for systems that need substantial output with adjustable crossover control. It can be used to power compatible full-range speakers or subwoofers, depending on system wiring and tuning. Its 2-ohm and 4-ohm operating capability gives installers flexibility when matching speakers to the amplifier.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to enthusiasts building a higher-output aftermarket audio system in a car, truck, RV, ATV, or similar 12-volt application. Separate high-pass and low-pass filter ranges help direct appropriate frequencies to the connected speakers. Variable gain adjustment also helps match the amplifier to the output level of the source unit.\u003c\/p\u003e\u003cp\u003eThe ST-2500-2 uses a Class AB MOSFET power supply design and is rated for up to 5,000 watts maximum output. Confirmed power figures are 2,500 watts per channel at 2 ohms and 1,250 watts per channel at 4 ohms, both specified at 1% THD. It is a stereo amplifier that can also be configured for bridgeable and tri-mode operation where the speaker setup supports it.\u003c\/p\u003e\u003cp\u003eFor signal management, the amplifier provides a continuously variable 12 dB\/octave high-pass crossover from 80 Hz to 1.2 kHz and a low-pass crossover from 50 Hz to 250 Hz. Its rated frequency response is 10 Hz to 30 kHz, supporting subwoofer-focused and full-range system applications. A remote subwoofer level control is included for convenient level adjustment from the listening position.\u003c\/p\u003e\u003cp\u003eThe ST-2500-2 fits into an upgrade path for systems that need more external amplification than a factory or aftermarket receiver can provide. Chrome-plated RCA connections, variable gain, LED status indicators, soft start, and muting functions support practical integration into a 12-volt car audio installation. Proper power wiring, fusing, speaker impedance, and gain setup are important for dependable operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Channel Class AB Design:\u003c\/strong\u003e Provides stereo amplification for compatible speakers or subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stable Operation:\u003c\/strong\u003e Supports compatible 2-ohm and 4-ohm speaker loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Crossovers:\u003c\/strong\u003e HPF and LPF controls help tailor frequency output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Level Control:\u003c\/strong\u003e Lets the listener adjust subwoofer level conveniently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Gain Control:\u003c\/strong\u003e Helps match amplifier input level to the source unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus And Protection Indicators:\u003c\/strong\u003e LED lights provide at-a-glance operating feedback.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe amplifier uses a metal chassis with a Class AB MOSFET PWM power supply architecture. Chrome-plated RCA and power\/speaker terminal connections are specified, while soft-start and muting functions are included as part of its operating design. The chassis measures 9.5 inches wide, 2.5 inches high, and 24.3 inches deep.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a ventilated location and use appropriately sized power, ground, speaker, and signal wiring for the installation. Set the gain only after the source unit and speakers are connected, then use the HPF or LPF controls to suit the speakers being powered. Verify final speaker impedance before wiring, as the amplifier is specified for 2-ohm and 4-ohm operation rather than 1-ohm operation.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45660509438022,"sku":"ST-2500-2","price":282.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61_-DMid5KL.jpg?v=1784447356"},{"product_id":"soundxtreme-st-460-4x6-3-way-coaxial-car-speakers","title":"SoundXtreme ST-460 4x6\" 3-Way Coaxial Car Speakers","description":"\u003cp\u003eThe SoundXtreme ST-460 is a pair of 4x6-inch, 3-way coaxial car speakers for replacing worn or basic factory door, dash, or rear-deck speakers where a 4x6-inch format is required. Their all-in-one coaxial design places the mid-woofer and tweeter in each speaker assembly, helping simplify a conventional speaker upgrade. This pair is intended for vehicles and installations that use 4-ohm speakers.\u003c\/p\u003e\u003cp\u003eWith a published frequency response of 60 Hz to 20,000 Hz, the ST-460 is designed to cover core music frequencies from mid-bass through high-frequency detail. The polypropylene mid-woofer cone is paired with a 1\/2-inch PEI balanced-dome tweeter for a practical full-range speaker layout. An 88 dB sensitivity rating is specified.\u003c\/p\u003e\u003cp\u003eThe pair is rated for 220 watts peak power handling, with a recommended amplifier power range of 10 to 50 watts RMS per channel. This makes the speakers appropriate for systems that are matched to their published RMS recommendation rather than selected solely by a peak-power number. The 4-ohm nominal impedance is common for automotive speaker wiring and amplification.\u003c\/p\u003e\u003cp\u003eSoundXtreme specifies EVC, or Extended Voice Coil, technology for the ST-460. The speaker construction also includes a neodymium magnet motor structure and a stamped-steel frame basket. These details support a compact coaxial design intended for automotive replacement applications.\u003c\/p\u003e\u003cp\u003eThe ST-460 can be used as part of a straightforward factory-speaker replacement or paired with a compatible aftermarket head unit or amplifier. Because vehicle openings and interior-panel clearance vary, confirm the available mounting space before purchase. A published 3-3\/4-inch cutout dimension can help when comparing the speaker with an existing opening.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x6-Inch Speaker Size:\u003c\/strong\u003e Fits applications designed around a nominal 4x6-inch speaker format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Way Coaxial Design:\u003c\/strong\u003e Combines mid-woofer and high-frequency reproduction in each speaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e220-Watt Peak Rating:\u003c\/strong\u003e Published peak power handling is 220 watts per pair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended RMS Range:\u003c\/strong\u003e Designed for 10 to 50 watts RMS per channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePEI Dome Tweeter:\u003c\/strong\u003e Uses a 1\/2-inch balanced-dome PEI tweeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm Impedance:\u003c\/strong\u003e Matches the nominal impedance used by many car-audio systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-460 uses polypropylene for its mid-woofer cone, a polyester-foam surround, and a 1\/2-inch Polyether Imide (PEI) balanced-dome tweeter. It also has a neodymium magnet motor structure and stamped-steel frame basket. SoundXtreme lists EVC technology as part of the speaker design.\u003c\/p\u003e\u003cp\u003eVerify that the vehicle accepts a nominal 4x6-inch speaker and compare the published 3-3\/4-inch cutout requirement with the factory opening before installation. Match the speakers to a 4-ohm audio channel and keep amplifier output within the stated 10 to 50 watts RMS-per-channel recommendation. The package includes speaker wire, screws, and a user manual to support installation.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45660510126150,"sku":"ST-460","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/81yQOJis8OL.jpg?v=1784447399"},{"product_id":"soundxtreme-st-3600-1-monoblock-car-amplifier","title":"SoundXtreme ST-3600.1 Monoblock Car Amplifier","description":"\u003cp\u003eThe SoundXtreme ST-3600.1 is a monoblock car amplifier designed for powering a dedicated subwoofer system. Its single-channel layout focuses amplification on low-frequency reproduction, making it suitable for vehicle audio upgrades that need separate bass amplification. The amplifier is rated for stable operation with 1-, 2-, or 4-ohm speaker loads.\u003c\/p\u003e\u003cp\u003eWith a stated maximum output of 3600 watts at 1 ohm, the ST-3600.1 is intended for systems where subwoofer output and adjustable bass level are priorities. Its Class AB design provides a traditional amplifier platform for a dedicated bass channel. A variable gain control helps match the amplifier to the signal level of compatible source equipment.\u003c\/p\u003e\u003cp\u003eThe included remote subwoofer level control gives the driver a convenient way to adjust bass output from the listening position. This can be useful when music recordings, listening preferences, or road noise call for different low-frequency levels. The amplifier also includes LED power and protection indicators for at-a-glance operating status.\u003c\/p\u003e\u003cp\u003eInput adjustment is supported by a 200 mV to 6 V input-sensitivity range and a 22 kOhm input impedance. A variable low-pass filter from 50 Hz to 250 Hz lets the amplifier send an appropriate bass range to a connected subwoofer. Its specified 10 Hz to 30 kHz frequency response provides flexibility when integrating the amplifier into a vehicle audio system.\u003c\/p\u003e\u003cp\u003eThe ST-3600.1 uses chrome-plated RCA connections and is built in a compact amplifier chassis. It can serve as the bass section of a system with an aftermarket receiver, signal processor, and properly matched subwoofer enclosure. Select subwoofers and wiring according to their actual impedance, power-handling specifications, and the amplifier's installation requirements.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Configuration:\u003c\/strong\u003e Provides a dedicated amplification channel for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stable Operation:\u003c\/strong\u003e Supports 1-, 2-, and 4-ohm load configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3600W Maximum Output:\u003c\/strong\u003e Delivers stated maximum power at a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Level Control:\u003c\/strong\u003e Lets the driver adjust subwoofer level conveniently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts bass-frequency output from 50 Hz to 250 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus Protection Indicators:\u003c\/strong\u003e LED indicators show power and protection operating status.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-3600.1 is a Class AB monoblock amplifier with chrome-plated RCA connections, chrome-plated speaker terminals, variable gain control, and LED status indicators. Its listed product dimensions are 10.5 × 2.5 × 13.3 inches, helping it fit where a low-profile amplifier mounting location is available. The chassis is intended for surface mounting in a vehicle audio installation.\u003c\/p\u003e\u003cp\u003eInstall the amplifier securely in a ventilated location and use a subwoofer configuration that presents a supported 1-, 2-, or 4-ohm load. Connect a compatible low-level RCA signal source, set gain carefully, and use the low-pass filter to blend the subwoofer with the rest of the system. The included remote level control can be positioned within reach of the driver for routine bass adjustments.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45660631367750,"sku":"ST-5000-1","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/81y744DmrML.jpg?v=1784447727"},{"product_id":"soundxtreme-st-603-6-3-way-coaxial-car-speakers","title":"SoundXtreme ST-603 6\" 3-Way Coaxial Car Speakers","description":"\u003cp\u003eThe SoundXtreme ST-603 is a pair of 6-inch, 3-way coaxial car speakers designed as a direct replacement or basic upgrade for compatible factory speaker locations. Their coaxial construction places multiple drivers within each speaker assembly, helping keep installation straightforward where a conventional round speaker fits. They are intended for wired vehicle-audio systems using 4-ohm speaker outputs.\u003c\/p\u003e\u003cp\u003eThese speakers are suited to drivers replacing worn or damaged factory speakers, as well as listeners who want a full-range coaxial speaker without adding separate tweeters. The ST-603 uses an injection-cone woofer and a PEI dome tweeter arrangement to cover bass, midrange, and high-frequency content from a single mounting location. Published sensitivity is 89 dB.\u003c\/p\u003e\u003cp\u003eThe speaker design is listed with a 30 mm PEI dome tweeter, a 25 mm voice coil, and a 10-ounce magnet. A rubber surround and steel basket are also listed in marketplace specifications. These elements support the speaker's compact, vehicle-oriented coaxial design.\u003c\/p\u003e\u003cp\u003eSoundXtreme lists the ST-603 as a 350-watt maximum-power speaker, while some marketplace copy separately states a 320-watt peak-power figure. An RMS power rating has not been verified, so amplifier matching should not be based on an assumed RMS value. The published frequency-response figure most consistently reported in technical listings is 65 Hz to 20 kHz.\u003c\/p\u003e\u003cp\u003eWith a listed mounting depth of 2-3\/4 inches, the ST-603 should be measured against the available depth and mounting diameter in the intended vehicle before purchase. It can be used with a factory head unit or a compatible external amplifier, provided the installation supports 4-ohm speakers. The pair format makes it practical for replacing two matching speakers in a vehicle audio system.\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-Inch Round Format:\u003c\/strong\u003e Intended for compatible standard round speaker locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm Impedance:\u003c\/strong\u003e Matches many conventional vehicle speaker circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePEI Dome Tweeter:\u003c\/strong\u003e Uses a listed 30 mm PEI dome high-frequency driver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjection-Cone Woofer:\u003c\/strong\u003e Provides the primary low- and mid-frequency driver section.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e89 dB Sensitivity:\u003c\/strong\u003e Published sensitivity specification for the ST-603.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-603 is built around a steel basket, injection-cone woofer, rubber surround, 25 mm voice coil, and 10-ounce magnet. Product listings also identify a rubber magnet boot cover and a PEI dome tweeter assembly. The speakers use a round coaxial layout rather than separate component woofer and tweeter installations.\u003c\/p\u003e\u003cp\u003eConfirm that the vehicle accepts a 6-inch round speaker and provides at least 2-3\/4 inches of mounting depth before installation. The speakers are listed with spade terminals, so use secure, correctly polarized speaker-wire connections and appropriate vehicle-specific mounting hardware or adapters when required. A pair of ST-603 speakers is included; verify all supplied accessories upon delivery because package-content descriptions vary by seller.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45660713549894,"sku":"ST-603","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71SPGOMq7ZL.jpg?v=1784447763"},{"product_id":"soundxtreme-st-680-5x7-6x8-3-way-coaxial-speakers","title":"SoundXtreme ST-680 5x7\/6x8\" 3-Way Coaxial Speakers","description":"\u003cp\u003eThe SoundXtreme ST-680 is a pair of 5x7\/6x8-inch 3-way coaxial car speakers designed as a practical replacement for worn or underperforming factory door or rear-deck speakers. Their dual-fit sizing is intended for vehicles that use either a 5x7-inch or 6x8-inch speaker opening. The pair uses a 4-ohm design for connection to compatible car-audio systems.\u003c\/p\u003e\u003cp\u003eThese speakers are suited to everyday listeners who want a straightforward full-range speaker upgrade without adding separate tweeters or external crossovers. The coaxial layout places the high-frequency driver within the woofer assembly, keeping installation comparatively simple. A 3-way architecture combines the mid-woofer and tweeter elements in each speaker assembly.\u003c\/p\u003e\u003cp\u003eThe ST-680 is specified for 350 watts peak power per pair, with a recommended amplifier range of 10 to 75 watts RMS per channel. Its 90 dB sensitivity and 45 Hz to 20,000 Hz frequency-response specification describe a speaker intended to cover bass, vocal, and treble ranges in a conventional car-audio setup. Power should be matched to the stated RMS recommendation rather than the peak rating.\u003c\/p\u003e\u003cp\u003eA polypropylene mid-woofer cone works with a polyester-foam surround, while the high-frequency section uses a 1\/2-inch PEI balanced-dome tweeter. The speaker also uses a neodymium motor structure and a stamped-steel basket. SoundXtreme lists EVC, or Extended Voice Coil, technology as part of the speaker design.\u003c\/p\u003e\u003cp\u003eThe ST-680 can be used with a compatible factory radio or aftermarket head unit, or with an amplifier that delivers suitable power at 4 ohms. It is a sensible option when replacing speakers in vehicles with compatible 5x7-inch or 6x8-inch mounting locations. Confirm the vehicle opening, mounting clearance, wiring connection, and speaker polarity before installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Fit 5x7\/6x8 Size:\u003c\/strong\u003e Supports compatible oval speaker locations in either common size format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Way Coaxial Design:\u003c\/strong\u003e Integrates multiple driver elements within each speaker assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm Impedance:\u003c\/strong\u003e Matches many conventional car-audio speaker circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePEI Dome Tweeter:\u003c\/strong\u003e Adds a dedicated high-frequency driver for treble reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolypropylene Mid-Woofer:\u003c\/strong\u003e Provides the primary cone for midrange and lower-frequency output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStamped-Steel Basket:\u003c\/strong\u003e Provides a rigid structural frame for speaker mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-680 combines a polypropylene mid-woofer cone, polyester-foam surround, 1\/2-inch PEI balanced-dome tweeter, neodymium motor structure, and stamped-steel basket. These materials form a conventional coaxial speaker construction with the tweeter integrated into the main speaker assembly. The listed frequency response is 45 Hz to 20,000 Hz, and listed sensitivity is 90 dB.\u003c\/p\u003e\u003cp\u003eVerify that the vehicle accepts a 5x7-inch or 6x8-inch speaker and that the opening supports the stated 5 x 7-3\/16-inch cutout dimensions. The listed top-mount depth is 3\/8 inch, but installers should measure available clearance at the intended location before fitting the speakers. The package is listed with speaker wire, screws, and a user manual; use correct polarity and connect only to a compatible 4-ohm audio source.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45660787540038,"sku":"ST-680","price":39.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/81jlhU4HpFL.jpg?v=1784447803"},{"product_id":"soundxtreme-st-694-6x9-4-way-coaxial-car-speakers","title":"SoundXtreme ST-694 6x9\" 4-Way Coaxial Car Speakers","description":"\u003cp\u003eThe SoundXtreme ST-694 is a pair of 6x9-inch, 4-way coaxial car speakers designed for replacing compatible factory speakers or completing an aftermarket audio upgrade. Each pair combines a full-size oval woofer with dedicated midrange and tweeter elements in a single speaker assembly. Its 4-ohm load is suited to car audio head units and compatible external amplifiers.\u003c\/p\u003e\u003cp\u003eWith 140 watts RMS handling per pair and 520 watts peak handling per pair, the ST-694 is intended for systems that need more output capability than many original-equipment speakers. The rated 92 dB sensitivity supports useful output from modest-power sources when the system is set up properly. Its 30 Hz to 20 kHz frequency-response rating is designed to cover bass, midrange, and high-frequency content from one coaxial location.\u003c\/p\u003e\u003cp\u003eThe 6x9-inch polypropylene woofer cone provides the primary low- and mid-frequency foundation, while the polyester foam surround supports cone movement. A 2-inch midrange and 1\/2-inch PEI balanced-dome tweeter handle upper-frequency detail within the coaxial assembly. This layout makes the ST-694 a practical choice for listeners seeking a straightforward full-range speaker replacement.\u003c\/p\u003e\u003cp\u003eSoundXtreme specifies an aluminum 1-inch voice coil and an Electric Crystal Motor tweeter magnet. The speakers use spade terminals for conventional speaker-wire connections. Protective grilles are included, providing an option for exposed or custom installations.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare the vehicle's available mounting opening and rear clearance with the ST-694's published cutout and depth measurements. The speakers can be connected to a compatible head unit or amplifier, but clean power and correct polarity are important for proper operation. They can serve as a rear-deck, door, or custom-installation upgrade where the mounting dimensions and clearance are suitable.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Way Coaxial Design:\u003c\/strong\u003e Integrates woofer, midrange, and tweeter elements into each speaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6x9-Inch Woofer:\u003c\/strong\u003e Provides an oval cone area for full-range car audio use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e140W RMS Per Pair:\u003c\/strong\u003e Supports sustained playback within the published pair rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Ohm Impedance:\u003c\/strong\u003e Matches many common car audio speaker outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolypropylene Cone:\u003c\/strong\u003e Provides a durable woofer diaphragm material.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePEI Balanced-Dome Tweeter:\u003c\/strong\u003e Handles high-frequency reproduction in the coaxial assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-694 uses a polypropylene woofer cone, polyester foam woofer surround, PEI tweeter dome, and aluminum voice coil. Its coaxial layout places the midrange and tweeter components over the woofer, helping consolidate full-range reproduction into a 6x9-inch speaker location. Included grilles can help protect the speaker faces where clearance permits their use.\u003c\/p\u003e\u003cp\u003eVerify the 5-5\/8 x 8-7\/16-inch mounting cutout, 3-3\/16-inch bottom-mount depth, and 7\/16-inch top-mount depth before installation. Connect positive and negative speaker leads to the corresponding spade terminals, and avoid operating the speakers at audible distortion. Disconnect the vehicle battery before electrical work and use mounting hardware suitable for the vehicle's speaker location.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45660878045254,"sku":"ST-694","price":57.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/81-D9aRG7NL.jpg?v=1784447850"},{"product_id":"soundxtreme-st-900bt-bluetooth-digital-media-receiver","title":"SoundXtreme ST-900BT Bluetooth Digital Media Receiver","description":"\u003cp\u003eThe SoundXtreme ST-900BT is a Bluetooth digital media receiver designed to add modern music playback and hands-free calling to a vehicle audio system. It provides several listening options in one compact head-unit format, including Bluetooth streaming, USB media, SD card playback, and an auxiliary input. This makes it a practical choice for drivers who use phone-based music or stored digital files rather than CDs.\u003c\/p\u003e\u003cp\u003eBluetooth connectivity allows a compatible phone to stream audio wirelessly and handle calls through the receiver’s hands-free function. The unit is intended for everyday commuting, work vehicles, and simple audio-system refreshes where convenient source selection is the priority. Its built-in microphone supports phone conversations without needing to hold the phone while driving.\u003c\/p\u003e\u003cp\u003eThe ST-900BT is rated at 60 watts per channel across four channels, for a listed total of 240 watts. That output is intended to power a conventional four-speaker vehicle setup directly from the receiver. For installations requiring substantially higher volume or dedicated subwoofer power, an external amplifier may still be appropriate.\u003c\/p\u003e\u003cp\u003eFor local media libraries, the receiver supports USB drives and SD cards with capacities up to 32GB. It is listed as compatible with MP3 and WMA audio files, allowing music to be carried without relying on a mobile-data connection. The auxiliary input also provides a wired option for compatible portable media devices.\u003c\/p\u003e\u003cp\u003eA digital display, front-panel controls, and included wireless remote provide straightforward operation from the driver or passenger seat. The ST-900BT can serve as the central source unit in a basic replacement stereo installation with compatible vehicle wiring and speakers. Because vehicle dash openings, harnesses, and antenna connections vary, installation accessories should be selected for the specific vehicle.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth Connectivity:\u003c\/strong\u003e Stream compatible phone audio wirelessly and use hands-free calling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Output:\u003c\/strong\u003e Listed 60W x 4 output supports a conventional speaker system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB Media Playback:\u003c\/strong\u003e Plays supported MP3 and WMA files from USB storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSD Card Slot:\u003c\/strong\u003e Supports compatible SD card media up to 32GB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Input:\u003c\/strong\u003e Connect compatible portable devices with a wired audio connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless Remote:\u003c\/strong\u003e Provides convenient control of basic receiver functions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-900BT uses a clean digital-display layout with integrated front-panel controls for source selection and playback adjustment. Available product information confirms the display and remote-control functionality, while specific cabinet materials, display dimensions, and illumination details are not published. Its design is focused on digital-media operation rather than disc playback.\u003c\/p\u003e\u003cp\u003eInstall the receiver using vehicle-appropriate mounting hardware, a compatible wiring harness, and an antenna adapter where required. Connect it to a properly wired 12-volt vehicle audio system and compatible speakers before use. Confirm the dash opening, connector arrangement, speaker wiring, and available installation depth for the vehicle before purchase.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45660927524934,"sku":"ST-900BT","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61VQ1J9HpNL.jpg?v=1784447884"},{"product_id":"soundxtreme-st-940bt-single-din-digital-media-receiver","title":"SoundXtreme ST-940BT Single DIN Digital Media Receiver","description":"\u003cp\u003eThe SoundXtreme ST-940BT is a single-DIN digital media receiver for vehicles needing modern music playback and hands-free Bluetooth capability without a touchscreen head unit. It combines Bluetooth, USB, SD\/TF card, AUX, and AM\/FM radio sources in one compact dashboard receiver. This makes it a practical replacement for an older factory radio or a basic upgrade for a standard single-DIN opening.\u003c\/p\u003e\u003cp\u003eBluetooth connectivity lets a compatible phone stream audio wirelessly and supports hands-free calling through the receiver's built-in microphone. Front-panel controls provide access to playback, source selection, volume, radio tuning, and clock functions. A supplied wireless remote adds convenient control of common receiver functions from inside the vehicle.\u003c\/p\u003e\u003cp\u003eThe ST-940BT is rated for a maximum output of 60 watts across each of its four channels, or 240 watts maximum total. Its stereo speaker outputs support a conventional front-and-rear four-speaker vehicle layout. Rear RCA outputs also provide front and rear signal connections for use with compatible external amplifiers.\u003c\/p\u003e\u003cp\u003eFor stored music, the receiver supports MP3 and WMA playback from USB storage and SD or TF cards with capacities up to 32GB. A front 3.5mm AUX input accommodates portable devices that use an analog headphone-style audio connection. The source selection system also includes AM and FM radio listening, with automatic station storage capability.\u003c\/p\u003e\u003cp\u003eThis receiver fits into a straightforward audio upgrade path: use its internal four-channel amplification for a basic speaker system, or connect its RCA outputs to external amplification as system needs grow. It is intended for 12V negative-ground vehicle electrical systems and uses the included wiring harness for power, ground, speaker, and remote-turn-on connections. Installation keys, a remote control, and a user manual are included to support setup and everyday operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-DIN Fit:\u003c\/strong\u003e Designed for standard single-DIN car stereo dashboard openings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth Audio:\u003c\/strong\u003e Streams music and supports hands-free phone calls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB And Card Playback:\u003c\/strong\u003e Plays supported MP3 and WMA files from storage media.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Output:\u003c\/strong\u003e Provides 60W x 4 maximum speaker power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront AUX Input:\u003c\/strong\u003e Connects analog portable audio devices with a 3.5mm cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear RCA Outputs:\u003c\/strong\u003e Supplies front and rear outputs for compatible external amplifiers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-940BT uses a compact single-DIN receiver layout with a central digital display, rotary power\/mode\/volume control, front USB connections, SD\/TF card slot, front AUX input, and front-panel operating buttons. Product documentation does not specify the chassis or faceplate materials. The display shows operating status, time, radio frequency, and track information, while the IR sensor receives commands from the included remote.\u003c\/p\u003e\u003cp\u003eInstall the receiver in a standard single-DIN opening using a mounting sleeve, then connect the included harness according to the unit wiring diagram. It requires a 12V DC negative-ground vehicle system; connect constant power, accessory power, chassis ground, speaker leads, and the blue antenna\/amplifier remote lead as applicable. Disconnect the vehicle battery before installation, verify all connections, and use the rear RCA outputs when adding compatible external amplification.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45660944695366,"sku":"ST-940BT","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61e7tBxL1jL.jpg?v=1784447928"},{"product_id":"soundxtreme-st-950bt-digital-media-receiver","title":"SoundXtreme ST-950BT Digital Media Receiver","description":"\u003cp\u003eThe SoundXtreme ST-950BT is a digital media receiver designed to add modern music playback and Bluetooth calling capability to a vehicle audio system. It provides FM radio, Bluetooth audio, USB, SD card, and front AUX playback in one compact head-unit format. It is suited to drivers who want multiple source options without a CD mechanism.\u003c\/p\u003e\u003cp\u003eBluetooth connectivity allows compatible phones to stream audio wirelessly and handle hands-free calls through the receiver's built-in front-panel microphone. The receiver identifies itself as ST-950BT during pairing, with a documented pairing code of 0000 when requested. Front-panel controls and the included remote provide access to source selection, volume, track functions, and radio operation.\u003c\/p\u003e\u003cp\u003eFor local media playback, the ST-950BT supports MP3 and WMA files from USB storage devices and SD cards. Supported USB drives and SD cards can be up to 32GB. A 3.5mm front AUX input also accommodates a wired portable music player or phone audio adapter.\u003c\/p\u003e\u003cp\u003eThe receiver is rated for a maximum output of 60W across each of its four channels. Its FM tuner provides FM1, FM2, and FM3 bands, with six numbered preset buttons and automatic memory-store functionality. Rear RCA outputs are provided for connection to an external amplifier.\u003c\/p\u003e\u003cp\u003eThe ST-950BT can serve as a straightforward replacement receiver in a basic vehicle audio upgrade. Its supplied wiring harness supports constant 12V, switched 12V, chassis ground, power-antenna or amplifier remote turn-on, and four speaker connections. Installation keys, a remote control, and a user manual are included to support installation and daily use.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth Connectivity:\u003c\/strong\u003e Streams audio and supports hands-free phone calls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Output:\u003c\/strong\u003e Delivers up to 60W maximum per channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB And SD Playback:\u003c\/strong\u003e Plays MP3 and WMA files from media.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32GB Media Support:\u003c\/strong\u003e Supports USB and SD storage up to 32GB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM Radio Tuner:\u003c\/strong\u003e Offers three FM bands and preset storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear RCA Outputs:\u003c\/strong\u003e Allows connection to a compatible external amplifier.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-950BT uses a digital front display, a multifunction power\/mode\/volume knob, numbered preset keys, a front USB port, a front 3.5mm AUX input, and a front SD card slot. A built-in microphone supports Bluetooth calling, while an IR sensor receives commands from the included wireless remote. The supplied installation keys and trim-ring mounting approach support serviceable in-dash installation.\u003c\/p\u003e\u003cp\u003eConnect the yellow lead to constant 12V power, the red lead to switched ACC power, and the black lead to vehicle chassis ground. The blue lead is designated for a power antenna or amplifier remote turn-on, while the harness includes separate positive and negative leads for front and rear speakers. Confirm vehicle fitment, connector needs, speaker wiring polarity, and fuse requirements before installation; professional installation is appropriate when vehicle wiring is uncertain.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45661028876358,"sku":"ST-950BT","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/61CyQXqn36L.jpg?v=1784447973"},{"product_id":"soundxtreme-st-ap5-digital-bass-machine-processor","title":"SoundXtreme ST-AP5 Digital Bass Machine Processor","description":"\u003cp\u003eThe SoundXtreme ST-AP5 is a car-audio digital bass machine processor designed to give users more direct control over low-frequency signal adjustment. It is intended for systems where the listener wants to tailor bass level and bass equalization separately from the source unit. Its dash-mount remote-control feature makes routine bass-level adjustment more convenient from the front of the vehicle.\u003c\/p\u003e\u003cp\u003eThis processor is suited to car-audio upgrades that include a dedicated amplifier and subwoofer stage, as well as systems needing more bass-focused tuning controls. It provides bass output control, parametric bass controls, and a PFM subsonic-filter control. These functions let an installer configure the low-frequency signal according to the goals and limits of the connected audio system.\u003c\/p\u003e\u003cp\u003eThe ST-AP5 is specified with a 10 Hz to 100 kHz frequency response, 0.003% total harmonic distortion, and a 130 dB signal-to-noise ratio. It also lists balanced-input noise rejection at 60 dB. Together, these published specifications describe a processor designed for clean signal handling within a car-audio installation.\u003c\/p\u003e\u003cp\u003eA PWM high-headroom power supply supports the processor's signal-processing section, while the listed output level is 13.5 volts. The bass equalization circuit and adjustable bass controls provide a focused way to shape the bass presentation before the signal reaches downstream amplification. This makes the ST-AP5 a practical component for users who want bass tuning beyond a standard head-unit control.\u003c\/p\u003e\u003cp\u003eThe processor can be incorporated as part of a signal path between the source unit and an amplifier. Its compact published dimensions make it appropriate for discreet placement where controls and connections remain accessible. Use it as a dedicated bass-management component when building or refining a custom car-audio system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDash-Mount Remote Control:\u003c\/strong\u003e Keeps bass-level adjustment accessible from the driver's area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParametric Bass Controls:\u003c\/strong\u003e Provides adjustable bass-focused signal tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePFM Subsonic Filter Control:\u003c\/strong\u003e Adds adjustable low-frequency filter control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Equalization Circuit:\u003c\/strong\u003e Lets installers shape the bass response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13.5V Output Level:\u003c\/strong\u003e Supports a strong signal level for connected equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePWM Power Supply:\u003c\/strong\u003e Uses a high-headroom PWM supply design.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-AP5 is a compact car-audio signal processor with a published size of 5.2 x 3.9 x 1.8 inches and a listed weight of 2 pounds. Its design centers on bass-processing adjustments, including bass output, parametric bass, and PFM subsonic-filter controls. Specific enclosure materials and finish details are not published in the confirmed product information.\u003c\/p\u003e\u003cp\u003eInstall the processor in a secure, accessible location within the vehicle and plan the system layout so the dash-mount remote can be used conveniently. It should be integrated into a compatible car-audio signal path with the appropriate source and downstream amplification equipment. Adjust bass level, equalization, and the PFM subsonic filter gradually during system setup to suit the connected speakers, subwoofer enclosure, and amplifier configuration.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45661120266310,"sku":"ST-AP5","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/81ZJQLsaVOL.jpg?v=1784448032"},{"product_id":"soundxtreme-st-ap6-1-2-din-digital-bass-processor","title":"SoundXtreme ST-AP6 1\/2 DIN Digital Bass Processor","description":"\u003cp\u003eThe SoundXtreme ST-AP6 is a 1\/2 DIN digital bass restoration processor for adding adjustable low-frequency enhancement to a car audio signal path. It is designed to recreate low-frequency information and provide dedicated bass processing before the signal reaches an amplifier. This makes it a practical addition for systems that need more control over bass character than a head unit alone provides.\u003c\/p\u003e\u003cp\u003eThe processor is intended for use between an audio source and amplifier through its stereo RCA connections. Its balanced-input design is specified with 60 dB noise rejection to help maintain a stable signal in a mobile-audio installation. With up to 13.5 volts of output level, it is built to provide a strong processed signal to compatible amplifier inputs.\u003c\/p\u003e\u003cp\u003eAdjustment is centered on the main-unit Wide and Sweep controls, along with the included dash-mounted remote. Sweep selects the bass-restoration center frequency from 10 Hz to 100 Hz, while Wide adjusts the range of frequencies affected. The remote places Bass Level and PFM subsonic-filter adjustment within reach of the driver.\u003c\/p\u003e\u003cp\u003eA PFM subsonic filter is included to reduce ultra-low-frequency content that can place unnecessary demand on a subwoofer system. Its adjustable range is specified from 35 Hz to 80 Hz. This allows the processor to be tuned around the capabilities of the installed subwoofers and enclosure.\u003c\/p\u003e\u003cp\u003eThe ST-AP6 uses a PWM high-headroom power supply, gold-plated signal contacts, and a lighted bass-restoration display. Published performance figures include a 10 Hz to 100 kHz frequency response, 0.003% total harmonic distortion, and a 130 dB signal-to-noise ratio. It is suited to a system upgrade where bass restoration, signal processing, and accessible level adjustment are desired.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Bass Restoration:\u003c\/strong\u003e Recreates low-frequency information in the audio signal path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParametric Bass Adjustment:\u003c\/strong\u003e Wide and Sweep controls tailor the processed bass range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDash-Mount Remote:\u003c\/strong\u003e Places Bass Level and PFM filter adjustment near the driver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePFM Subsonic Filter:\u003c\/strong\u003e Reduces ultra-low-frequency content below the selected filter point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13.5V Output Level:\u003c\/strong\u003e Provides a high-level processed signal for compatible amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Input Design:\u003c\/strong\u003e Specifies 60 dB of input noise rejection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-AP6 has a compact 1\/2 DIN processor chassis with mounting ears, a power-status LED, front-panel bass controls, gold-plated RCA signal connections, and a dedicated remote-control connection. Its PWM high-headroom power supply supports the processor's stated output capability. The included dash remote has separate controls for Bass Level and the PFM subsonic filter.\u003c\/p\u003e\u003cp\u003eInstall the processor in the signal chain between the source unit and amplifier, connecting the source to the left and right RCA inputs and the amplifier to the left and right RCA outputs. The unit requires constant +12V power, a solid chassis ground, and a remote turn-on connection; use an appropriately sized inline fuse near the battery. Mount the remote where its controls can be safely reached, then begin tuning with conservative bass and amplifier-gain settings.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45661186261062,"sku":"ST-AP6","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71kobjfhbQL.jpg?v=1784448076"},{"product_id":"soundxtreme-st-eq-180-7-band-car-audio-equalizer","title":"SoundXtreme ST-EQ-180 7-Band Car Audio Equalizer","description":"\u003cp\u003eThe SoundXtreme ST-EQ-180 is a 7-band passive stereo graphic equalizer designed for vehicle audio systems. It adds hands-on tonal adjustment between the audio source and the rest of a compatible car audio setup. This is a signal-control component rather than a head unit, amplifier, speaker, or subwoofer.\u003c\/p\u003e\u003cp\u003eIts seven slide controls let the listener adjust selected bass, midrange, and treble areas of the audio spectrum. Each band provides up to ±12 dB of adjustment, allowing measured corrections for the vehicle cabin or personal listening preferences. A front-to-rear fader control is also included for systems using separate front and rear speaker channels.\u003c\/p\u003e\u003cp\u003eThe ST-EQ-180 covers center frequencies from 60 Hz through 15 kHz, providing adjustment across low-frequency impact, vocal-range presence, and high-frequency detail. An adjustable gain control and output-level display support level matching during system setup. These controls help the installer set the processor appropriately before making final amplifier adjustments.\u003c\/p\u003e\u003cp\u003eA dedicated subwoofer section includes selectable crossover points and a subwoofer switch. The listed crossover rolloff is 12 dB per octave, helping route the low-frequency portion of the signal for a subwoofer-equipped system. This makes the equalizer suitable for adding tonal control to a system with front, rear, and bass amplification.\u003c\/p\u003e\u003cp\u003eThe equalizer operates from an 11-16V DC vehicle electrical system and is specified with a 100-ohm input impedance. Its compact listed dimensions make it practical for custom dash, console, or equipment-panel installations where appropriate mounting space is available. It is intended for shoppers who want manual equalization and fader adjustment without replacing their existing audio source.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven-Band EQ:\u003c\/strong\u003e Slide controls adjust seven selected audio frequency ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±12 dB Adjustment:\u003c\/strong\u003e Provides substantial cut or boost at each band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront\/Rear Fader:\u003c\/strong\u003e Adjusts the balance between front and rear channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Section:\u003c\/strong\u003e Includes crossover-point selection and a subwoofer switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput-Level Display:\u003c\/strong\u003e Gives a visual indication of output level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle Power Range:\u003c\/strong\u003e Operates from 11-16V DC electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-EQ-180 is listed in black and has a compact 4.5 x 7 x 1.4-inch product size. Its front-panel layout combines seven EQ sliders with gain, fader, subwoofer, and output-level functions for direct access during tuning. The manufacturer listing does not specify chassis material or panel construction.\u003c\/p\u003e\u003cp\u003eInstall the equalizer securely in a dry location that remains accessible for adjustment, while keeping it clear of vehicle controls and the driver’s view. It requires an 11-16V DC supply and should be integrated by a qualified installer or a user familiar with vehicle audio wiring and gain staging. Begin with conservative EQ settings and make small adjustments after matching levels with the connected audio system.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45661252190278,"sku":"ST-EQ-180","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/610k40DF8OL.jpg?v=1784448121"},{"product_id":"soundxtreme-st-w6528ml-double-din-6-2-touchscreen-receiver","title":"SoundXtreme ST-W6528ML Double DIN 6.2\" Touchscreen Receiver","description":"\u003cp\u003eThe SoundXtreme ST-W6528ML is a double-DIN multimedia receiver designed to add touchscreen control, Bluetooth calling, and flexible media playback to a compatible vehicle dashboard. Its 6.2-inch digital touchscreen brings commonly used audio, video, and camera functions into one in-dash unit. It is suited to drivers replacing an older factory radio or building a straightforward multimedia upgrade.\u003c\/p\u003e\u003cp\u003eThe receiver provides a four-channel amplified output rated at 50 watts maximum per channel, or 200 watts maximum total. This makes it appropriate for powering compatible factory-style speakers directly while serving as a media-control center for the vehicle. Bluetooth with a built-in microphone supports hands-free calling and wireless audio use.\u003c\/p\u003e\u003cp\u003eFor media access, the ST-W6528ML supports FM radio, USB, TF card, and AUX input sources. It also supports music and video playback, allowing users to access stored content from compatible devices. A USB connection can also provide charging capability for a mobile phone.\u003c\/p\u003e\u003cp\u003eMirror functionality is documented for Android devices running Android 4.0 through 7.0, allowing a compatible phone screen to be displayed on the receiver. The unit does not include built-in GPS navigation, but mirrored navigation imagery can be shown when a compatible phone and screen-mirroring function are in use. This approach keeps navigation dependent on the connected mobile device rather than an onboard navigation system.\u003c\/p\u003e\u003cp\u003eA rear-view camera is included, and the receiver is designed to display the camera image automatically when the vehicle is shifted into reverse. The ST-W6528ML also lists steering-wheel-control support, a remote control, video input, and driving-recorder input. These features make it a practical foundation for a basic camera-equipped audio and multimedia system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-DIN Chassis:\u003c\/strong\u003e Fits a compatible double-DIN dashboard opening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.2-Inch Touchscreen:\u003c\/strong\u003e Provides direct control of media and receiver functions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth Calling:\u003c\/strong\u003e Supports hands-free calls through the built-in microphone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAndroid Screen Mirroring:\u003c\/strong\u003e Displays compatible Android phone content on-screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Camera Included:\u003c\/strong\u003e Adds automatic reverse-view display capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Media Inputs:\u003c\/strong\u003e Supports FM, USB, TF card, and AUX sources.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-W6528ML uses an integrated double-DIN receiver chassis with a 6.2-inch digital touchscreen interface. Its documented installation dimensions are 178 x 100 x 65 mm, matching the standard face-size format commonly used for double-DIN receiver installations. Specific chassis-material and display-panel-material specifications are not published.\u003c\/p\u003e\u003cp\u003eConfirm that the vehicle accepts a double-DIN radio and that the 178 x 100 x 65 mm installation dimensions work with the available dashboard space. A vehicle-specific dash kit, wiring harness, antenna adapter, and steering-wheel-control interface may be needed depending on the vehicle. Connect the included rear-view camera and reverse trigger correctly to enable automatic reverse-image display.\u003c\/p\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45661342629958,"sku":"ST-W6528ML","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/pixelcut-export_1_d907cc9f-38e3-488b-8263-95e0ab0f2a75.png?v=1784448166"}],"url":"https:\/\/audiowatt.store\/collections\/soundxtreme.oembed","provider":"Audio Watt Store","version":"1.0","type":"link"}