{"product_id":"hxm800-4d-hxm-4-channel-full-range-class-d-amplifier","title":"Diamond Audio 4-Channel HXM Series Full Range Class D Amplifier - HXM800.4D","description":"\u003ch2\u003eDiamond Audio 4-Channel HXM Series Full Range Class D Amplifier - HXM800.4D\u003c\/h2\u003e\n\u003cp data-end=\"414\" data-start=\"76\"\u003ePower your entire audio system with rugged performance using the \u003cstrong data-end=\"215\" data-start=\"141\"\u003eDiamond Audio MOTORSPORT Series 4-Channel Full Range Class D Amplifier\u003c\/strong\u003e. Designed for \u003cstrong data-end=\"293\" data-start=\"230\"\u003emarine, motorcycle, UTV, ATV, and powersports audio systems\u003c\/strong\u003e, this \u003cstrong data-end=\"323\" data-start=\"300\"\u003e4-channel amplifier\u003c\/strong\u003e delivers exceptional sound quality while standing strong against harsh outdoor conditions.\u003c\/p\u003e\n\u003cp data-end=\"864\" data-start=\"416\"\u003eBuilt with advanced \u003cstrong data-end=\"477\" data-start=\"436\"\u003efull-range Class D digital technology\u003c\/strong\u003e, the \u003cstrong data-end=\"531\" data-start=\"483\"\u003eDiamond Audio MOTORSPORT 4-channel amplifier\u003c\/strong\u003e provides impressive output with \u003cstrong data-end=\"609\" data-start=\"564\"\u003e120W x 4 at 4 ohms and 200W x 4 at 2 ohms\u003c\/strong\u003e, along with \u003cstrong data-end=\"652\" data-start=\"622\"\u003e400W x 2 bridged at 4 ohms\u003c\/strong\u003e for higher power applications. This makes it ideal for powering \u003cstrong data-end=\"793\" data-start=\"717\"\u003efull-range speakers or bridging channels for more demanding audio setups\u003c\/strong\u003e, delivering clean, dynamic sound across the entire frequency spectrum.\u003c\/p\u003e\n\u003cp data-end=\"1187\" data-start=\"866\"\u003eEngineered for durability, this \u003cstrong data-end=\"927\" data-start=\"898\"\u003ewater-resistant amplifier\u003c\/strong\u003e features \u003cstrong data-end=\"984\" data-start=\"937\"\u003econformal-coated multi-layer circuit boards\u003c\/strong\u003e, protecting internal components from moisture, dust, and extreme environments. The \u003cstrong data-end=\"1108\" data-start=\"1068\"\u003eanodized extruded aluminum heat sink\u003c\/strong\u003e enhances thermal performance, ensuring efficient cooling during extended play.\u003c\/p\u003e\n\u003cp data-end=\"1534\" data-start=\"1189\"\u003eThe \u003cstrong data-end=\"1231\" data-start=\"1193\"\u003eDiamond Audio MOTORSPORT amplifier\u003c\/strong\u003e also includes \u003cstrong data-end=\"1278\" data-start=\"1246\"\u003ebalanced differential inputs\u003c\/strong\u003e, ensuring noise-free signal transmission for crystal-clear audio performance. With \u003cstrong data-end=\"1421\" data-start=\"1362\"\u003evariable high-pass and low-pass crossovers (40Hz–400Hz)\u003c\/strong\u003e and \u003cstrong data-end=\"1443\" data-start=\"1426\"\u003ephase control\u003c\/strong\u003e, this \u003cstrong data-end=\"1481\" data-start=\"1450\"\u003eversatile Class D amplifier\u003c\/strong\u003e allows precise tuning to optimize your sound system.\u003c\/p\u003e\n\u003cp data-end=\"1827\" data-start=\"1536\"\u003eInstallation is simple with \u003cstrong data-end=\"1609\" data-start=\"1564\"\u003eselectable REM, VOX, and DC turn-on modes\u003c\/strong\u003e, making it compatible with factory and aftermarket head units. Additional features such as \u003cstrong data-end=\"1725\" data-start=\"1701\"\u003etop-mounted controls\u003c\/strong\u003e, \u003cstrong data-end=\"1753\" data-start=\"1727\"\u003eoutput clip indicators\u003c\/strong\u003e, and an \u003cstrong data-end=\"1782\" data-start=\"1762\"\u003eilluminated logo\u003c\/strong\u003e provide convenience and a premium aesthetic.\u003c\/p\u003e\n\u003cp data-end=\"1827\" data-start=\"1536\"\u003eThe \u003cstrong data-end=\"2404\" data-start=\"2356\"\u003eDiamond Audio MOTORSPORT 4-Channel Amplifier\u003c\/strong\u003e delivers powerful, reliable, and crystal-clear performance, making it the ideal solution for \u003cstrong data-end=\"2551\" data-start=\"2498\"\u003ehigh-performance outdoor and marine audio systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch5 data-end=\"1845\" data-start=\"1829\" data-section-id=\"1iz91iu\"\u003eFeatures\u003c\/h5\u003e\n\u003cp data-end=\"2350\" data-start=\"1847\"\u003e• \u003cstrong data-end=\"1891\" data-start=\"1849\"\u003e4-channel full range Class D amplifier\u003c\/strong\u003e\u003cbr data-end=\"1894\" data-start=\"1891\"\u003e• \u003cstrong data-end=\"1953\" data-start=\"1896\"\u003e120W x 4 @ 4Ω \/ 200W x 4 @ 2Ω \/ 400W x 2 bridged @ 4Ω\u003c\/strong\u003e\u003cbr data-end=\"1956\" data-start=\"1953\"\u003e• \u003cstrong data-end=\"2015\" data-start=\"1958\"\u003eWater-resistant design for marine and powersports use\u003c\/strong\u003e\u003cbr data-end=\"2018\" data-start=\"2015\"\u003e• \u003cstrong data-end=\"2070\" data-start=\"2020\"\u003eConformal-coated circuit boards for durability\u003c\/strong\u003e\u003cbr data-end=\"2073\" data-start=\"2070\"\u003e• \u003cstrong data-end=\"2132\" data-start=\"2075\"\u003eBalanced differential inputs for noise-free operation\u003c\/strong\u003e\u003cbr data-end=\"2135\" data-start=\"2132\"\u003e• \u003cstrong data-end=\"2188\" data-start=\"2137\"\u003eVariable HPF \/ LPF crossovers and phase control\u003c\/strong\u003e\u003cbr data-end=\"2191\" data-start=\"2188\"\u003e• \u003cstrong data-end=\"2245\" data-start=\"2193\"\u003eAnodized aluminum heat sink for superior cooling\u003c\/strong\u003e\u003cbr data-end=\"2248\" data-start=\"2245\"\u003e• \u003cstrong data-end=\"2301\" data-start=\"2250\"\u003eOutput clip indicators for precise system setup\u003c\/strong\u003e\u003cbr data-end=\"2304\" data-start=\"2301\"\u003e• \u003cstrong data-end=\"2350\" data-start=\"2306\"\u003eTop-mounted controls for easy adjustment\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch5 data-end=\"1799\" data-start=\"1468\"\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHigh-efficiency 4-channel Class D amplifier\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e engineered to deliver clean, powerful audio for marine, powersports, and automotive sound systems.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIdeal for full-range speaker setups\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing consistent power with excellent clarity and dynamic performance across all channels.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCompact, space-saving design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allows for flexible installation in boats, UTVs, motorcycles, and vehicles with limited mounting space.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBuilt for demanding environments\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with durable construction and efficient heat management for reliable long-term performance.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAn excellent choice for enthusiasts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e seeking a versatile amplifier that combines strong output, energy efficiency, and dependable sound quality.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-end=\"1799\" data-start=\"1468\"\u003e   \u003cbr\u003eQ\u0026amp;A    \u003c\/h5\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What is the Diamond Audio HXM800.4D designed for?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: The HXM800.4D is a 4-channel full-range Class D amplifier built for marine, motorcycle, UTV, ATV, and other powersports audio systems, delivering high-output performance in harsh environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: How much power does the HXM800.4D produce?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It delivers \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e120W x 4 RMS @ 4Ω\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e200W x 4 RMS @ 2Ω\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, or \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400W x 2 RMS bridged @ 4Ω\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing ample power for premium full-range speakers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is the HXM800.4D weather resistant?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. It features conformal-coated circuit boards and a water-resistant design to withstand moisture, dust, and demanding outdoor conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Does the amplifier include built-in tuning controls?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. It includes variable high-pass and low-pass crossovers (40–400Hz), phase control, balanced differential inputs, and selectable REM, VOX, and DC turn-on modes for flexible installation and tuning.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Why choose the Diamond Audio HXM800.4D?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It combines compact size, 800W RMS output, rugged weather-resistant construction, and advanced Class D efficiency, making it an excellent choice for high-performance marine and powersports audio systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 data-end=\"1799\" data-start=\"1468\"\u003e\n\u003cbr\u003eMaintenance Tips    \u003c\/h5\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eClean the amplifier with a soft, dry microfiber cloth to prevent dust accumulation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnsure adequate airflow around the amplifier to maintain efficient cooling and prevent overheating.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInspect power, ground, RCA, and speaker connections regularly for tight, corrosion-free contacts.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck fuses and wiring periodically for signs of wear or damage.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeep the amplifier away from excessive moisture, direct sunlight, and extreme temperatures.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerify mounting hardware remains secure to minimize vibration and ensure long-term reliability.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong id=\"docs-internal-guid-2c293d21-7fff-a70b-f800-8525fd07f76d\"\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Diamond Audio","offers":[{"title":"Default Title","offer_id":45779989856447,"sku":"HXM800.4D","price":487.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/HXM800.4D_6_2b56d8d2-ce16-4304-a816-077978930393.png?v=1782536326","url":"https:\/\/www.mybackyardzone.com\/products\/hxm800-4d-hxm-4-channel-full-range-class-d-amplifier","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}