{"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","url":"https:\/\/audiowatt.store\/products\/crunch-dr-3125-2d-2-channel-class-d-car-amplifier","provider":"Audio Watt Store","version":"1.0","type":"link"}