{"product_id":"diamond-audio-4-channel-hex-series-full-range-class-d-amplifier-hx480-4","title":"Diamond Audio 4-Channel HEX Series Full Range Class D Amplifier - HX480.4","description":"\u003ch2\u003eDiamond Audio 4-Channel HEX Series Full Range Class D Amplifier - HX480.4\u003c\/h2\u003e\n\u003cp data-end=\"512\" data-start=\"77\"\u003enleash clean, dynamic power with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"190\" data-start=\"115\"\u003eDiamond Audio HX480.4 HEX Series 4-Channel Full Range Class D Amplifier\u003c\/strong\u003e, engineered for audiophiles who demand\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"282\" data-start=\"230\"\u003eprecision, efficiency, and premium sound quality\u003c\/strong\u003e. Designed with high-tolerance components and advanced circuitry, this\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"386\" data-start=\"353\"\u003e4-channel car audio amplifier\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edelivers exceptional clarity and reliable performance for\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"511\" data-start=\"445\"\u003ecomponent speakers, coaxial speakers, and custom audio systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"917\" data-start=\"514\"\u003eBuilt on advanced\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"564\" data-start=\"532\"\u003eClass D amplifier technology\u003c\/strong\u003e, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"605\" data-start=\"570\"\u003eDiamond Audio HX480.4 amplifier\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emaximizes efficiency while minimizing heat, ensuring consistent output even during extended listening sessions. With\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"797\" data-start=\"723\"\u003e120W x 4 at 4 ohms, 185W x 4 at 2 ohms, and 370W x 2 bridged at 4 ohms\u003c\/strong\u003e, this\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"838\" data-start=\"804\"\u003ehigh power 4-channel amplifier\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoffers flexible configuration for full-range speakers or bridged applications.\u003c\/p\u003e\n\u003cp data-end=\"1253\" data-start=\"919\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"955\" data-start=\"923\"\u003eHX480.4 HEX Series amplifier\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1022\" data-start=\"967\"\u003e4-layer PCB board with balanced differential inputs\u003c\/strong\u003e, delivering\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1076\" data-start=\"1035\"\u003eclean, noise-free signal transmission\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand accurate sound reproduction. Premium\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1149\" data-start=\"1118\"\u003eaudiophile-grade components\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1173\" data-start=\"1154\"\u003eSNAP capacitors\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensure precise performance and long-term reliability in demanding audio setups.\u003c\/p\u003e\n\u003cp data-end=\"1614\" data-start=\"1255\"\u003eFor advanced tuning, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1323\" data-start=\"1280\"\u003eDiamond Audio HX480.4 Class D amplifier\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincludes\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1398\" data-start=\"1333\"\u003efully variable high-pass and low-pass crossovers (40Hz–400Hz)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1431\" data-start=\"1406\"\u003e24dB per octave slope\u003c\/strong\u003e, along with\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1461\" data-start=\"1444\"\u003ephase control\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor optimized system integration. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1526\" data-start=\"1500\"\u003eoutput clip indicators\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1555\" data-start=\"1531\"\u003etop-mounted controls\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emake setup easy and precise, ensuring optimal performance.\u003c\/p\u003e\n\u003cp data-end=\"1881\" data-start=\"1616\"\u003eDesigned with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1680\" data-start=\"1632\"\u003edurable anodized extruded aluminum heat sink\u003c\/strong\u003e, this\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1708\" data-start=\"1687\"\u003ecompact amplifier\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides superior thermal management while maintaining a sleek, modern appearance. Fully concealed mounting and an illuminated logo add a premium touch to any installation.\u003c\/p\u003e\n\u003ch5 data-end=\"1899\" data-start=\"1883\" data-section-id=\"1iz91iu\"\u003eFeatures\u003c\/h5\u003e\n\u003cp data-end=\"2313\" data-start=\"1901\"\u003e• 4-channel full range Class D amplifier\u003cbr data-end=\"1948\" data-start=\"1945\"\u003e• 120W x 4  4Ω \/ 185W x 4  2Ω \/ 370W x 2 bridged\u003cbr data-end=\"2005\" data-start=\"2002\"\u003e• Audiophile-grade high-tolerance components\u003cbr data-end=\"2056\" data-start=\"2053\"\u003e• 4-layer PCB with balanced differential inputs\u003cbr data-end=\"2110\" data-start=\"2107\"\u003e• Variable HPF \/ LPF crossovers (24dB slope)\u003cbr data-end=\"2161\" data-start=\"2158\"\u003e• Output clip indicators and phase control\u003cbr data-end=\"2210\" data-start=\"2207\"\u003e• Anodized aluminum heat sink for cooling efficiency\u003cbr data-end=\"2269\" data-start=\"2266\"\u003e• Compact design with premium aesthetics\u003c\/p\u003e\n\u003ch5 data-end=\"2358\" data-start=\"2117\"\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"rgrphe\" data-start=\"28\" data-end=\"181\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"78\"\u003eHigh-performance 4-channel Class D amplifier\u003c\/strong\u003e designed to deliver powerful, efficient, and clean audio output. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1odfxmo\" data-start=\"182\" data-end=\"351\"\u003e\n\u003cstrong data-start=\"184\" data-end=\"229\"\u003e120W x 4 RMS at 4Ω and 185W x 4 RMS at 2Ω\u003c\/strong\u003e provides plenty of power for component speakers, coaxials, and custom audio builds. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1btxw04\" data-start=\"352\" data-end=\"518\"\u003e\n\u003cstrong data-start=\"354\" data-end=\"387\"\u003eFull-range Class D technology\u003c\/strong\u003e offers excellent efficiency with reduced heat generation for reliable long-term performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cwwnlj\" data-start=\"519\" data-end=\"689\"\u003e\n\u003cstrong data-start=\"521\" data-end=\"552\"\u003eBridgeable 4-channel design\u003c\/strong\u003e allows flexible system configurations, including higher-power setups for upgraded speaker systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"179m4qq\" data-start=\"690\" data-end=\"845\"\u003e\n\u003cstrong data-start=\"692\" data-end=\"752\"\u003eAudiophile-grade components and 4-layer PCB construction\u003c\/strong\u003e help deliver cleaner signals and improved reliability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14si3k6\" data-start=\"846\" data-end=\"990\"\u003e\n\u003cstrong data-start=\"848\" data-end=\"898\"\u003eBuilt-in variable crossovers and phase control\u003c\/strong\u003e provide precise tuning for better system integration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12sj8s7\" data-start=\"991\" data-end=\"1132\"\u003e\n\u003cstrong data-start=\"993\" data-end=\"1025\"\u003eBalanced differential inputs\u003c\/strong\u003e help reduce unwanted noise and maintain accurate sound reproduction. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"aguzv2\" data-start=\"1133\" data-end=\"1285\"\u003e\n\u003cstrong data-start=\"1135\" data-end=\"1172\"\u003eCompact aluminum heat sink design\u003c\/strong\u003e provides efficient cooling while fitting easily into custom installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"oin70m\" data-start=\"1286\" data-end=\"1474\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1288\" data-end=\"1313\"\u003eIdeal for enthusiasts\u003c\/strong\u003e looking to upgrade factory audio systems with stronger power, improved clarity, and professional-level tuning flexibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 data-end=\"2358\" data-start=\"2117\"\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:2d447cef-08e3-4b01-8b81-2534574d797a-4\" 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:2d447cef-08e3-4b01-8b81-2534574d797a-4\" data-turn-id-container=\"request-WEB:2d447cef-08e3-4b01-8b81-2534574d797a-4\" data-testid=\"conversation-turn-10\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--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=\"51ed4c16-514e-4675-82e9-79103d2ec17a\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5-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\u003cp data-start=\"0\" data-end=\"255\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"41\"\u003eQ: What is the Diamond Audio HX480.4?\u003c\/strong\u003e\u003cbr data-start=\"41\" data-end=\"44\"\u003eA: The HX480.4 is a \u003cstrong data-start=\"64\" data-end=\"117\"\u003e4-channel HEX Series full-range Class D amplifier\u003c\/strong\u003e designed to deliver powerful, efficient, and clean audio performance for premium car audio systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"257\" data-end=\"483\"\u003e\u003cstrong data-start=\"257\" data-end=\"304\"\u003eQ: How much power does the HX480.4 produce?\u003c\/strong\u003e\u003cbr data-start=\"304\" data-end=\"307\"\u003eA: It delivers \u003cstrong data-start=\"322\" data-end=\"349\"\u003e120W x 4 channels at 4Ω\u003c\/strong\u003e, \u003cstrong data-start=\"351\" data-end=\"378\"\u003e185W x 4 channels at 2Ω\u003c\/strong\u003e, or \u003cstrong data-start=\"383\" data-end=\"409\"\u003e370W x 2 bridged at 4Ω\u003c\/strong\u003e for flexible system configurations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"485\" data-end=\"719\"\u003e\u003cstrong data-start=\"485\" data-end=\"546\"\u003eQ: What are the benefits of Class D amplifier technology?\u003c\/strong\u003e\u003cbr data-start=\"546\" data-end=\"549\"\u003eA: Class D design provides high efficiency, reduced heat output, and reliable performance while delivering strong power to speakers. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"721\" data-end=\"1011\"\u003e\u003cstrong data-start=\"721\" data-end=\"775\"\u003eQ: What features improve sound quality and tuning?\u003c\/strong\u003e\u003cbr data-start=\"775\" data-end=\"778\"\u003eA: The HX480.4 includes a 4-layer PCB, balanced differential inputs, audiophile-grade components, variable high-pass and low-pass crossovers, phase control, and clip indicators for precise setup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1013\" data-end=\"1266\"\u003e\u003cstrong data-start=\"1013\" data-end=\"1073\"\u003eQ: Can the HX480.4 power component and coaxial speakers?\u003c\/strong\u003e\u003cbr data-start=\"1073\" data-end=\"1076\"\u003eA: Yes. Its four-channel full-range design makes it ideal for powering component speakers, coaxial speakers, and custom multi-speaker car audio systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1268\" data-end=\"1524\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1268\" data-end=\"1322\"\u003eQ: Is the HX480.4 easy to install in tight spaces?\u003c\/strong\u003e\u003cbr data-start=\"1322\" data-end=\"1325\"\u003eA: Yes. Its compact aluminum heat-sink design measures approximately \u003cstrong data-start=\"1394\" data-end=\"1415\"\u003e9.92\" x 6.8\" x 2\"\u003c\/strong\u003e, allowing flexible installation while maintaining thermal performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\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\n\u003ch5 data-end=\"2358\" data-start=\"2117\"\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:6430900f-7a27-4227-b888-3b101430b730-5\" 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:6430900f-7a27-4227-b888-3b101430b730-5\" data-turn-id-container=\"request-WEB:6430900f-7a27-4227-b888-3b101430b730-5\" data-testid=\"conversation-turn-10\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--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=\"d8b24b99-123f-4b08-a973-74bc1bf51077\" dir=\"auto\" data-message-model-slug=\"gpt-5-5-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=\"541\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"lvpc98\" data-start=\"22\" data-end=\"123\"\u003eEnsure the amplifier is mounted securely in a dry, well-ventilated location to prevent overheating.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18x71lx\" data-start=\"124\" data-end=\"200\"\u003eKeep power, ground, and speaker connections tight and free from corrosion.\u003c\/li\u003e\n\u003cli data-section-id=\"6v9in5\" data-start=\"201\" data-end=\"277\"\u003eCheck wiring periodically for damage, loose connections, or signs of wear.\u003c\/li\u003e\n\u003cli data-section-id=\"8wj7zw\" data-start=\"278\" data-end=\"345\"\u003eKeep the amplifier clean by removing dust with a soft, dry cloth.\u003c\/li\u003e\n\u003cli data-section-id=\"zv5e38\" data-start=\"346\" data-end=\"440\"\u003eAvoid running the amplifier into clipping or excessive loads to protect internal components.\u003c\/li\u003e\n\u003cli data-section-id=\"1b0ucc0\" data-start=\"441\" data-end=\"541\" data-is-last-node=\"\"\u003eVerify gain, crossover, and settings regularly for optimal sound performance and system longevity.\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":45850612826303,"sku":"HX480.4","price":434.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/hx480.4_-1_eefaf9c0-8811-4d80-8eca-0670fc3a00fd.jpg?v=1784030030","url":"https:\/\/se0yig-03.myshopify.com\/products\/diamond-audio-4-channel-hex-series-full-range-class-d-amplifier-hx480-4","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}