{"product_id":"diamond-audio-hxm800-4d-4-channel-amplifier-4-x-120-watts-rms-4-ohm","title":"Diamond Audio HXM800.4D 4-Channel Amplifier - 4 x 120 Watts Rms @ 4-ohm","description":"\u003cp\u003ePower your entire audio system with rugged performance using the Diamond Audio MOTORSPORT Series 4-Channel Full Range Class D Amplifier. Designed for marine, motorcycle, UTV, ATV, and powersports audio systems, this 4-channel amplifier delivers exceptional sound quality while standing strong against harsh outdoor conditions.\u003c\/p\u003e\n\u003cp\u003eBuilt with advanced full-range Class D digital technology, the Diamond Audio MOTORSPORT 4-channel amplifier provides impressive output with 120W x 4 at 4 ohms and 200W x 4 at 2 ohms, along with 400W x 2 bridged at 4 ohms for higher power applications. This makes it ideal for powering full-range speakers or bridging channels for more demanding audio setups, delivering clean, dynamic sound across the entire frequency spectrum.\u003c\/p\u003e\n\u003cp\u003eEngineered for durability, this water-resistant amplifier features conformal-coated multi-layer circuit boards, protecting internal components from moisture, dust, and extreme environments. The anodized extruded aluminum heat sink enhances thermal performance, ensuring efficient cooling during extended play.\u003c\/p\u003e\n\u003cp\u003eThe Diamond Audio MOTORSPORT amplifier also includes balanced differential inputs, ensuring noise-free signal transmission for crystal-clear audio performance. With variable high-pass and low-pass crossovers (40Hz–400Hz) and phase control, this versatile Class D amplifier allows precise tuning to optimize your sound system.\u003c\/p\u003e\n\u003cp\u003eInstallation is simple with selectable REM, VOX, and DC turn-on modes, making it compatible with factory and aftermarket head units. Additional features such as top-mounted controls, output clip indicators, and an illuminated logo provide convenience and a premium aesthetic.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4-channel full range Class D amplifier\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e120W x 4 @ 4Ω \/ 200W x 4 @ 2Ω \/ 400W x 2 bridged @ 4Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWater-resistant design for marine and powersports use\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eConformal-coated circuit boards for durability\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBalanced differential inputs for noise-free operation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVariable HPF \/ LPF crossovers and phase control\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnodized aluminum heat sink for superior cooling\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput clip indicators for precise system setup\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTop-mounted controls for easy adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Diamond Audio MOTORSPORT 4-Channel Amplifier delivers powerful, reliable, and crystal-clear performance, making it the ideal solution for high-performance outdoor and marine audio systems.\u003c\/p\u003e\n\u003cp\u003ePower Ratings:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRMS Power (2Ω): 200W X 4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRMS Power (4Ω): 120W X 4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBridged (Mono 1Ω): N\/A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBridged (Mono 2Ω): N\/A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBridged (Mono 4Ω): 400W X 2 (4Ω ONLY)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePower Supply:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower Supply: Full PWM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower Supply Threshold: 10.0V-17.0V (DC)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIdle Current: (0.7A)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDistortion:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTHD 4 (1KHz @4Ω): 0.05%\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eS\/N Ratio (A weighted @1W): -77.4dBA\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eS\/N Ratio (A weighted @FP): -97.4dBA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInput Sensitivity:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Input Level: 0.2mV-10.0V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh Input Level: Up to 25W RMS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInput Impedance:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Input Level: 22KΩ\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh Input Level: N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOutput Stage:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOutput Impedance: 0.047Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDamping Factor (50Hz @ 4Ω): \u0026gt;250\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBandwidth (-3dB): 10Hz-35KHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCrossover (-12dB\/Oct):\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVariable High-Pass: 40Hz-400Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVariable Low-Pass: 40Hz-400Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVariable Sub-Sonic: N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFuse Ratings:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eATC: 40A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMeasurements:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eL x W x H: 9.3\" x 5.27 x 1.75 (234mm x 133.9mm x 44.5mm)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Diamond Audio","offers":[{"title":"Default Title","offer_id":52972014240055,"sku":"HXM800.4D","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4935\/0455\/files\/HXM800.4D_6_2b56d8d2-ce16-4304-a816-077978930393.webp?v=1789045413","url":"https:\/\/dbscaraudio.com\/products\/diamond-audio-hxm800-4d-4-channel-amplifier-4-x-120-watts-rms-4-ohm","provider":"DB's Car Audio","version":"1.0","type":"link"}