{"product_id":"dxm800-4d-dxm-4-channel-full-range-amplifier","title":"Diamond Audio 4-Channel DXM Series Full Range Class D Waterproof Amplifier - DXM800.4D","description":"\u003ch2\u003eDiamond Audio 4-Channel DXM Series Full Range Class D Waterproof Amplifier - DXM800.4D\u003c\/h2\u003e\n\u003cp data-start=\"88\" data-end=\"455\"\u003eTake your outdoor audio system to the next level with the \u003cstrong data-start=\"146\" data-end=\"213\"\u003eDiamond Audio 4-Channel Full Range Class D Waterproof Amplifier\u003c\/strong\u003e, engineered for \u003cstrong data-start=\"230\" data-end=\"289\"\u003emarine, motorcycle, ATV, UTV, and off-road applications\u003c\/strong\u003e. Built to perform in the harshest environments, this \u003cstrong data-start=\"343\" data-end=\"379\"\u003eIPX67-rated waterproof amplifier\u003c\/strong\u003e delivers powerful, clean sound with exceptional durability and reliability.\u003c\/p\u003e\n\u003cp data-start=\"457\" data-end=\"887\"\u003eDesigned with advanced \u003cstrong data-start=\"480\" data-end=\"521\"\u003efull-range Class D digital technology\u003c\/strong\u003e, the \u003cstrong data-start=\"527\" data-end=\"571\"\u003eDiamond Audio 4-channel marine amplifier\u003c\/strong\u003e provides impressive output with \u003cstrong data-start=\"604\" data-end=\"678\"\u003e125W x 4 at 4 ohms, 200W x 4 at 2 ohms, and 400W x 2 bridged at 4 ohms\u003c\/strong\u003e. This makes it ideal for powering \u003cstrong data-start=\"713\" data-end=\"788\"\u003efull-range speakers or bridging channels for higher output applications\u003c\/strong\u003e, delivering clear highs, detailed mids, and dynamic performance across the entire frequency range.\u003c\/p\u003e\n\u003cp data-start=\"889\" data-end=\"1239\"\u003eEngineered for rugged use, the \u003cstrong data-start=\"920\" data-end=\"950\"\u003eIPX67 waterproof amplifier\u003c\/strong\u003e features \u003cstrong data-start=\"960\" data-end=\"1007\"\u003econformal-coated multi-layer circuit boards\u003c\/strong\u003e, protecting internal components from water, dust, and environmental exposure. Whether installed in a \u003cstrong data-start=\"1109\" data-end=\"1150\"\u003eboat, motorcycle, or off-road vehicle\u003c\/strong\u003e, this \u003cstrong data-start=\"1157\" data-end=\"1183\"\u003emarine-grade amplifier\u003c\/strong\u003e ensures long-lasting performance in extreme conditions.\u003c\/p\u003e\n\u003cp data-start=\"1241\" data-end=\"1611\"\u003eThe \u003cstrong data-start=\"1245\" data-end=\"1293\"\u003eDiamond Audio 4-channel waterproof amplifier\u003c\/strong\u003e also includes \u003cstrong data-start=\"1308\" data-end=\"1340\"\u003ebalanced differential inputs\u003c\/strong\u003e for noise-free signal transmission and a \u003cstrong data-start=\"1382\" data-end=\"1422\"\u003ewide frequency response (10Hz–33kHz)\u003c\/strong\u003e for accurate sound reproduction. With \u003cstrong data-start=\"1461\" data-end=\"1497\"\u003evariable crossovers (40Hz–400Hz)\u003c\/strong\u003e and \u003cstrong data-start=\"1502\" data-end=\"1539\"\u003eselectable LPF \/ FULL \/ HPF modes\u003c\/strong\u003e, this amplifier allows precise system tuning to match your audio setup.\u003c\/p\u003e\n\u003cp data-start=\"1613\" data-end=\"1987\"\u003eInstallation is simple with \u003cstrong data-start=\"1641\" data-end=\"1691\"\u003eselectable 2-channel and 4-channel input modes\u003c\/strong\u003e, along with \u003cstrong data-start=\"1704\" data-end=\"1740\"\u003eREM, VOX, and DC turn-on options\u003c\/strong\u003e, ensuring compatibility with factory and aftermarket head units. Additional features such as \u003cstrong data-start=\"1834\" data-end=\"1873\"\u003epower and protection LED indicators\u003c\/strong\u003e and built-in \u003cstrong data-start=\"1887\" data-end=\"1937\"\u003eshort circuit, thermal, and voltage protection\u003c\/strong\u003e provide reliable operation and system monitoring.\u003c\/p\u003e\n\u003cp data-start=\"1613\" data-end=\"1987\"\u003eThe \u003cstrong data-end=\"2529\" data-start=\"2481\"\u003eDiamond Audio 4-Channel Waterproof Amplifier\u003c\/strong\u003e delivers powerful, reliable, and crystal-clear sound, making it the perfect solution for \u003cstrong data-end=\"2698\" data-start=\"2619\"\u003emarine and powersports audio systems that demand performance and durability\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch5 data-section-id=\"1iz91iu\" data-start=\"1989\" data-end=\"2005\"\u003eFeatures\u003c\/h5\u003e\n\u003cp data-start=\"2007\" data-end=\"2475\"\u003e• \u003cstrong data-start=\"2009\" data-end=\"2062\"\u003e4-channel full range Class D waterproof amplifier\u003c\/strong\u003e\u003cbr data-start=\"2062\" data-end=\"2065\"\u003e• \u003cstrong data-start=\"2067\" data-end=\"2118\"\u003eIPX67-rated for marine and outdoor applications\u003c\/strong\u003e\u003cbr data-start=\"2118\" data-end=\"2121\"\u003e• \u003cstrong data-start=\"2123\" data-end=\"2180\"\u003e125W x 4 @ 4Ω \/ 200W x 4 @ 2Ω \/ 400W x 2 bridged @ 4Ω\u003c\/strong\u003e\u003cbr data-start=\"2180\" data-end=\"2183\"\u003e• \u003cstrong data-start=\"2185\" data-end=\"2234\"\u003eBalanced differential inputs for clean signal\u003c\/strong\u003e\u003cbr data-start=\"2234\" data-end=\"2237\"\u003e• \u003cstrong data-start=\"2239\" data-end=\"2286\"\u003eSelectable LPF \/ FULL \/ HPF crossover modes\u003c\/strong\u003e\u003cbr data-start=\"2286\" data-end=\"2289\"\u003e• \u003cstrong data-start=\"2291\" data-end=\"2322\"\u003e2CH \/ 4CH input flexibility\u003c\/strong\u003e\u003cbr data-start=\"2322\" data-end=\"2325\"\u003e• \u003cstrong data-start=\"2327\" data-end=\"2377\"\u003eShort circuit, thermal, and voltage protection\u003c\/strong\u003e\u003cbr data-start=\"2377\" data-end=\"2380\"\u003e• \u003cstrong data-start=\"2382\" data-end=\"2431\"\u003eCompact, durable design for easy installation\u003c\/strong\u003e\u003cbr data-start=\"2431\" data-end=\"2434\"\u003e• \u003cstrong data-start=\"2436\" data-end=\"2475\"\u003eLED power and protection indicators\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch5 data-start=\"1309\" data-end=\"1524\"\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:57a20e7f-f1ef-4da9-9d5c-4d5ec57a6c7b-24\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:57a20e7f-f1ef-4da9-9d5c-4d5ec57a6c7b-24\" data-turn-id-container=\"request-WEB:57a20e7f-f1ef-4da9-9d5c-4d5ec57a6c7b-24\" data-testid=\"conversation-turn-50\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"f7444a9c-a391-40d0-a017-762d4ef50077\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"28\" data-end=\"1278\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"ax1v2m\" data-start=\"28\" data-end=\"268\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"78\"\u003eBuilt for marine and powersports performance\u003c\/strong\u003e – The \u003cstrong data-start=\"85\" data-end=\"98\" data-is-only-node=\"\"\u003eDXM800.4D\u003c\/strong\u003e is designed for boats, motorcycles, ATVs, UTVs, and off-road vehicles with an \u003cstrong data-start=\"177\" data-end=\"204\"\u003eIPX67 waterproof rating\u003c\/strong\u003e for reliable outdoor use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2sria9\" data-start=\"269\" data-end=\"459\"\u003e\n\u003cstrong data-start=\"271\" data-end=\"300\"\u003eHigh-output Class D power\u003c\/strong\u003e – Delivers \u003cstrong data-start=\"312\" data-end=\"329\" data-is-only-node=\"\"\u003e125W x 4 @ 4Ω\u003c\/strong\u003e, \u003cstrong data-start=\"331\" data-end=\"348\"\u003e200W x 4 @ 2Ω\u003c\/strong\u003e, and \u003cstrong data-start=\"354\" data-end=\"379\"\u003e400W x 2 bridged @ 4Ω\u003c\/strong\u003e for strong, efficient system performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xw6rdh\" data-start=\"460\" data-end=\"665\"\u003e\n\u003cstrong data-start=\"462\" data-end=\"496\"\u003eRugged waterproof construction\u003c\/strong\u003e – Features sealed protection, conformal-coated circuitry, and durable components designed to handle moisture, dust, and vibration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wa8uek\" data-start=\"666\" data-end=\"884\"\u003e\n\u003cstrong data-start=\"668\" data-end=\"693\"\u003eFlexible audio tuning\u003c\/strong\u003e – Adjustable \u003cstrong data-start=\"707\" data-end=\"743\" data-is-only-node=\"\"\u003eLPF \/ FULL \/ HPF crossover modes\u003c\/strong\u003e, 40Hz–400Hz crossover range, and selectable input modes help match the amplifier to any speaker setup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8xy3g3\" data-start=\"885\" data-end=\"1079\"\u003e\n\u003cstrong data-start=\"887\" data-end=\"913\"\u003eClean, low-noise sound\u003c\/strong\u003e – Balanced differential inputs and full-range digital Class D technology provide efficient power with clear audio reproduction. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lfh3vo\" data-start=\"1080\" data-end=\"1278\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1082\" data-end=\"1118\"\u003eExpert choice for outdoor builds\u003c\/strong\u003e – A premium 4-channel amplifier for riders and enthusiasts who need powerful sound, durability, and compact installation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 data-start=\"1309\" data-end=\"1524\"\u003eQ\u0026amp;A    \u003c\/h5\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What is the Diamond Audio DXM800.4D designed for?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It is a 4-channel full-range Class D waterproof amplifier built for marine, motorcycle, UTV, and outdoor audio systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What are the benefits of Class D amplification?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Class D technology provides efficient power delivery, reduced heat, and strong performance in a compact design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is the DXM800.4D waterproof?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. It features a waterproof design built to handle moisture, splashes, and demanding outdoor environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Can it power multiple speakers?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. The 4-channel layout allows you to run multiple speakers for a complete audio setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is this amplifier suitable for marine and powersports upgrades?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. Its rugged construction and full-range output make it ideal for boats, ATVs, UTVs, and motorcycles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 data-start=\"1309\" data-end=\"1524\"\u003e\n\u003cbr\u003eMaintenance Tips    \u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:3cd937b8-2b7e-4b8b-a5e0-e5c39fc005be-22\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:3cd937b8-2b7e-4b8b-a5e0-e5c39fc005be-22\" data-turn-id-container=\"request-WEB:3cd937b8-2b7e-4b8b-a5e0-e5c39fc005be-22\" data-testid=\"conversation-turn-46\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"2882b29d-a840-4cb2-8802-23555cdb83a9\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"22\" data-end=\"686\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"7c8xr6\" data-start=\"22\" data-end=\"104\"\u003eClean the amplifier with a soft, dry microfiber cloth to remove dust and debris.\u003c\/li\u003e\n\u003cli data-section-id=\"4y3uf8\" data-start=\"105\" data-end=\"189\"\u003eRinse with fresh water after marine use and dry thoroughly to reduce salt buildup.\u003c\/li\u003e\n\u003cli data-section-id=\"l2sf4k\" data-start=\"190\" data-end=\"276\"\u003eInspect power, ground, RCA, and speaker connections for corrosion or loose contacts.\u003c\/li\u003e\n\u003cli data-section-id=\"10o17gx\" data-start=\"277\" data-end=\"364\"\u003eKeep cooling areas clear for proper heat management, even with waterproof protection.\u003c\/li\u003e\n\u003cli data-section-id=\"i26i96\" data-start=\"365\" data-end=\"437\"\u003eEnsure the amplifier is securely mounted to minimize vibration damage.\u003c\/li\u003e\n\u003cli data-section-id=\"u38fog\" data-start=\"438\" data-end=\"516\"\u003eCheck wiring, fuse holders, and terminals regularly for wear or overheating.\u003c\/li\u003e\n\u003cli data-section-id=\"6vo7vh\" data-start=\"517\" data-end=\"593\"\u003eSet gain and crossover controls properly to avoid clipping and distortion.\u003c\/li\u003e\n\u003cli data-section-id=\"7hyz5f\" data-start=\"594\" data-end=\"686\" data-is-last-node=\"\"\u003eProtect the amplifier from prolonged direct sunlight and extreme temperatures when stored\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Diamond Audio","offers":[{"title":"Default Title","offer_id":45780078330047,"sku":"DXM800.4D","price":389.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/dxm800.4d-top-side-2.jpg?v=1782539807","url":"https:\/\/www.mybackyardzone.com\/products\/dxm800-4d-dxm-4-channel-full-range-amplifier","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}