{"product_id":"dc-audio-250-4-class-d-4-channel-amplifier","title":"DC Audio 250.4 Class D 4-Channel Amplifier","description":"\u003cdiv\u003e\n\u003cp\u003eDC Audio 250.4 is a four-channel Class D amplifier delivering 250W per channel at 4Î© and 400W per channel at 2Î©, with not 1Î© stability, making it a robust choice for multi-speaker front-end systems that demand solid mids and highs without sacrificing efficiency.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePower Output\u003c\/b\u003e: 250W x4 @ 4Î© and 400W x4 @ 2Î©; not 1Î© stable. Real-world: higher power into lower-impedance loads translates to more headroom for demanding front-stage speakers and tighter control of your entire system when paired with appropriate drivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClass D\u003c\/b\u003e: Efficient switching design. Real-world: less heat for a given power, enabling a compact heatsink while maintaining high output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFrequency Response\u003c\/b\u003e: 20 Hz â€“ 20 kHz. Real-world: covers the full audible spectrum, supporting faithful reproduction of bass, mids, and highs from a single chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Sensitivity\u003c\/b\u003e: 6V ~ 0.2V. Real-world: compatibility with a wide range of head-unit preamp outputs, allowing full-range signal utilization without excessive gain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e12dB\/Octave Crossover\u003c\/b\u003e: YES. Real-world: provides a steep enough roll-off to reduce bleed between channels and help with clean crossovers in a multi-speaker setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Pass \/ Low Pass Crossover\u003c\/b\u003e: High Pass 20(200) Hz â€“ 800(8K) Hz, Low Pass 50(500) Hz â€“ 800(8K) Hz, x10 multiply. Real-world: precise crossover points to tailor each channel for a front-stage or bridged sub setup while preserving clarity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCrossover Selector Switch\u003c\/b\u003e: HPF \/ FULL \/ LP \/ BP. Real-world: quick, on-device selection to configure full-range, high-pass, low-pass, or band-pass operation without external processors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRemote Control\u003c\/b\u003e: YES With Clipping Light. Real-world: monitor and adjust output on the fly, with a visual indicator to prevent overdrive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSignal-to-Noise Ratio\u003c\/b\u003e: 95 dB. Real-world: low noise floor, contributing to clearer, quieter amplification even at higher output levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDamping Factor\u003c\/b\u003e: 130\u0026lt;. Real-world: strong control over speaker motion, aiding tight bass and responsive transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTHD @ 4Î©\u003c\/b\u003e: Less than 0.1%. Real-world: low distortion at rated load, preserving audio fidelity at high output levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFuse Rating\u003c\/b\u003e: External 200 amp. Real-world: provides protection against overloads and helps maintain system integrity under demanding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLED Status Lights\u003c\/b\u003e: Power and Protect \/ Clipping. Real-world: quick visual status for system health and potential overdrive scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHeatsink Dimensions\u003c\/b\u003e: 13.78\"\/350mm (L) x 9.38\"\/66mm (W) x 2.35\"\/59.6mm (H). Real-world: substantial cooling surface to support sustained high-performance operation in a vehicle interior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower \/ Ground Inputs\u003c\/b\u003e: 1\/0 AWG Power \/ Ground inputs. Real-world: supports heavyweight power delivery for low-impedance installs and high-current demand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpeaker Connections\u003c\/b\u003e: 8 AWG. Real-world: robust speaker wiring compatibility for clean, low-impedance speaker runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe DC Audio 250.4 is well suited to four-channel front-stage builds where you want precise crossover control, clear mids and highs, and solid overall output without excessive heat. With its adjustable HPF\/LP, remote clipping indicator, and strong protection features, it fits active crossovers and multi-driver setups that aim for accurate imaging and dynamic response.\u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-1xy1\"\u003eDC Amp Model:\u003c\/th\u003e\n\u003cth class=\"tg-1xy1\"\u003e250.4\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e6V~0.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e20Hz~20KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003e12dB \/ Octave Crossover\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003eYES\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eHigh Pass\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e\u003cspan\u003e20(200)Hz - 800(8K)Hz, x10 muliply\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eLow Pass\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e\u003cspan\u003e50(500)Hz - 800(8K)Hz, x10 muliply\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eCrossover Selector Switch\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003eHPF \/ FULL \/ LP \/ BP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eRemote Control\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003eYES With Clipping Light\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eSignal to Noise Ratio\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003edB95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eDamping Factor\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e130\u0026lt;\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eTHD @ 4ohms\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003eLess than 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eFuse Rating\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003eExternalÂ 200 amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eLED Status Lights\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003ePower and Protect \/ Clipping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eHeatsink Length\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e\u003cspan\u003e13.78\"\/350mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eHeatsink Width\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e\u003cspan\u003e9.38\"\/66mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4q9x\"\u003eHeatsinkÂ Height\u003c\/td\u003e\n\u003ctd class=\"tg-4q9x\"\u003e\u003cspan\u003e2.35\"\/59.6mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"DC Audio","offers":[{"title":"Default Title","offer_id":49850208092388,"sku":null,"price":609.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/dwqdwd.png?v=1789260574","url":"https:\/\/www.12voltoutlet.com\/products\/dc-audio-250-4-class-d-4-channel-amplifier","provider":"12 Volt Outlet","version":"1.0","type":"link"}