{"product_id":"crunch-ground-pounder-gp-2000-4-4-channel-class-a-b-car-amplifier","title":"Crunch Ground Pounder GP-2000.4 4-Channel Class A\/B Car Amplifier","description":"\u003cp\u003eHIGHLIGHTS\u003c\/p\u003e\u003cp\u003e- 2000W total power: 4x250W @ 4Ω | 4x500W @ 2Ω | 2x1000W Bridged @ 4Ω\u003cbr\u003e- Class A\/B design for the best balance of efficiency and audio clarity\u003cbr\u003e- Exclusive SPEED-FET MOSFET technology for faster, cleaner power delivery\u003cbr\u003e- Built-in High\/Low Pass crossover filters (40Hz–400Hz)\u003cbr\u003e- Selectable Bass Boost: 0 \/ +6 \/ +12dB\u003cbr\u003e- Overload and short circuit protection with Quick Thermal Dispersion Heat Sink\u003cbr\u003e- Nickel plated brass connections for corrosion-resistant, solid signal transfer\u003c\/p\u003e\u003cp\u003eDESCRIPTION\u003c\/p\u003e\u003cp\u003ePower every speaker in your vehicle with the Crunch Ground Pounder GP-2000.4 — a full 4-channel Class A\/B amplifier engineered for maximum output and crystal-clear sound. Built with exclusive SPEED-FET MOSFET components and a High Energy Pulse Width Modulated Power Supply, this amp delivers 2000 watts of reliable, distortion-free power whether you're running a full 4-speaker setup or bridging down to a powerful 2-channel configuration.\u003c\/p\u003e\u003cp\u003eSPECS\u003c\/p\u003e\u003cp\u003eBrand: Crunch\u003cbr\u003eModel: GP-2000.4\u003cbr\u003eSKU: GP20004\u003cbr\u003eUPC: 806576231110\u003cbr\u003eType: 4-Channel Class A\/B Car Amplifier\u003cbr\u003eTotal Power: 2000W\u003cbr\u003ePower @ 4Ω: 4 x 250W\u003cbr\u003ePower @ 2Ω: 4 x 500W\u003cbr\u003eBridged @ 4Ω: 2 x 1000W\u003cbr\u003eAmp Class: A\/B\u003cbr\u003eTHD: \u0026lt;0.5%\u003cbr\u003eHigh\/Low Pass Filter: 40Hz – 400Hz\u003cbr\u003eBass Boost: 0 \/ +6 \/ +12dB\u003cbr\u003eFuses: 2 x 30A\u003cbr\u003ePower Terminals: 4 Gauge\u003cbr\u003eSpeaker Terminals: 12 Gauge\u003cbr\u003eDimensions (WxHxL): 8\" x 2.375\" x 11.5\"\u003cbr\u003eWeight: 6 lbs\u003cbr\u003eCarton Dimensions: 16\" x 10\" x 4\"\u003c\/p\u003e\u003cp\u003eFREQUENTLY ASKED QUESTIONS\u003c\/p\u003e\u003cp\u003eQ: How many speakers can this amp power?\u003cbr\u003eA: It can power up to 4 speakers simultaneously — one per channel. You can also bridge channels 1+2 and 3+4 to run 2 subwoofers or larger speakers at 1000W each.\u003c\/p\u003e\u003cp\u003eQ: What gauge wire do I need to install this amp?\u003cbr\u003eA: The power terminals accept 4-gauge wire, which is what we recommend for installation. Speaker terminals use 12-gauge wire.\u003c\/p\u003e\u003cp\u003eQ: Is this amp compatible with my factory head unit?\u003cbr\u003eA: Yes — it features both High and Low Level Inputs, so it works with factory head units (no RCA output needed) as well as aftermarket receivers.\u003c\/p\u003e\u003cp\u003eQ: What's the minimum impedance this amp is stable at?\u003cbr\u003eA: The GP-2000.4 is stable down to 2 Ohms per channel in stereo mode and 4 Ohms when bridged.\u003c\/p\u003e\u003cp\u003eQ: Does it have built-in protection?\u003cbr\u003eA: Yes — it includes both overload protection and speaker short circuit protection to keep your system safe.\u003c\/p\u003e\u003cp\u003eQ: Will this amp overheat?\u003cbr\u003eA: Crunch built in Quick Thermal Dispersion Heat Sink technology to actively manage heat. As long as it has adequate airflow during installation, overheating is not an issue under normal use.\u003c\/p\u003e\u003cp\u003eQ: What's in the box?\u003cbr\u003eA: The amplifier unit. Mounting hardware and RCA cables are typically sold separately — we recommend picking those up if you don't already have them.\u003c\/p\u003e\u003cp\u003eSHIPPING \u0026amp; RETURNS\u003c\/p\u003e\u003cp\u003eBrand new in original manufacturer packaging. Ships from New York within 1 business day. Standard delivery 3–5 business days via UPS. Free shipping on orders over $50. 30-day returns accepted.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":51764940013856,"sku":"GP20004","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0232\/7573\/3070\/files\/ScreenShot2026-06-01at1.00.34AM.png?v=1780257864","url":"https:\/\/auksales.com\/products\/crunch-ground-pounder-gp-2000-4-4-channel-class-a-b-car-amplifier","provider":"AUKSales","version":"1.0","type":"link"}