{"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","url":"https:\/\/audiowatt.store\/products\/crunch-gp-1500-1-1500w-monoblock-car-amplifier","provider":"Audio Watt Store","version":"1.0","type":"link"}