{"product_id":"hx480-4-hex-4-channel-full-range-class-d-amplifier","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\"\u003eUnleash clean, dynamic power with the \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 \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 \u003cstrong data-end=\"386\" data-start=\"353\"\u003e4-channel car audio amplifier\u003c\/strong\u003e delivers exceptional clarity and reliable performance for \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 \u003cstrong data-end=\"564\" data-start=\"532\"\u003eClass D amplifier technology\u003c\/strong\u003e, the \u003cstrong data-end=\"605\" data-start=\"570\"\u003eDiamond Audio HX480.4 amplifier\u003c\/strong\u003e maximizes efficiency while minimizing heat, ensuring consistent output even during extended listening sessions. With \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 \u003cstrong data-end=\"838\" data-start=\"804\"\u003ehigh power 4-channel amplifier\u003c\/strong\u003e offers flexible configuration for full-range speakers or bridged applications.\u003c\/p\u003e\n\u003cp data-end=\"1253\" data-start=\"919\"\u003eThe \u003cstrong data-end=\"955\" data-start=\"923\"\u003eHX480.4 HEX Series amplifier\u003c\/strong\u003e features a \u003cstrong data-end=\"1022\" data-start=\"967\"\u003e4-layer PCB board with balanced differential inputs\u003c\/strong\u003e, delivering \u003cstrong data-end=\"1076\" data-start=\"1035\"\u003eclean, noise-free signal transmission\u003c\/strong\u003e and accurate sound reproduction. Premium \u003cstrong data-end=\"1149\" data-start=\"1118\"\u003eaudiophile-grade components\u003c\/strong\u003e and \u003cstrong data-end=\"1173\" data-start=\"1154\"\u003eSNAP capacitors\u003c\/strong\u003e ensure 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 \u003cstrong data-end=\"1323\" data-start=\"1280\"\u003eDiamond Audio HX480.4 Class D amplifier\u003c\/strong\u003e includes \u003cstrong data-end=\"1398\" data-start=\"1333\"\u003efully variable high-pass and low-pass crossovers (40Hz–400Hz)\u003c\/strong\u003e with a \u003cstrong data-end=\"1431\" data-start=\"1406\"\u003e24dB per octave slope\u003c\/strong\u003e, along with \u003cstrong data-end=\"1461\" data-start=\"1444\"\u003ephase control\u003c\/strong\u003e for optimized system integration. The \u003cstrong data-end=\"1526\" data-start=\"1500\"\u003eoutput clip indicators\u003c\/strong\u003e and \u003cstrong data-end=\"1555\" data-start=\"1531\"\u003etop-mounted controls\u003c\/strong\u003e make setup easy and precise, ensuring optimal performance.\u003c\/p\u003e\n\u003cp data-end=\"1881\" data-start=\"1616\"\u003eDesigned with a \u003cstrong data-end=\"1680\" data-start=\"1632\"\u003edurable anodized extruded aluminum heat sink\u003c\/strong\u003e, this \u003cstrong data-end=\"1708\" data-start=\"1687\"\u003ecompact amplifier\u003c\/strong\u003e provides 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\u003cp data-end=\"1881\" data-start=\"1616\"\u003eThe \u003cstrong data-end=\"2365\" data-start=\"2319\"\u003eDiamond Audio HX480.4 HEX Series Amplifier\u003c\/strong\u003e delivers powerful, distortion-free sound with exceptional precision, making it the perfect choice for \u003cstrong data-end=\"2540\" data-start=\"2468\"\u003ehigh-end car audio systems seeking clarity, control, and performance\u003c\/strong\u003e.\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• \u003cstrong data-end=\"1945\" data-start=\"1903\"\u003e4-channel full range Class D amplifier\u003c\/strong\u003e\u003cbr data-end=\"1948\" data-start=\"1945\"\u003e• \u003cstrong data-end=\"2002\" data-start=\"1950\"\u003e120W x 4 @ 4Ω \/ 185W x 4 @ 2Ω \/ 370W x 2 bridged\u003c\/strong\u003e\u003cbr data-end=\"2005\" data-start=\"2002\"\u003e• \u003cstrong data-end=\"2053\" data-start=\"2007\"\u003eAudiophile-grade high-tolerance components\u003c\/strong\u003e\u003cbr data-end=\"2056\" data-start=\"2053\"\u003e• \u003cstrong data-end=\"2107\" data-start=\"2058\"\u003e4-layer PCB with balanced differential inputs\u003c\/strong\u003e\u003cbr data-end=\"2110\" data-start=\"2107\"\u003e• \u003cstrong data-end=\"2158\" data-start=\"2112\"\u003eVariable HPF \/ LPF crossovers (24dB slope)\u003c\/strong\u003e\u003cbr data-end=\"2161\" data-start=\"2158\"\u003e• \u003cstrong data-end=\"2207\" data-start=\"2163\"\u003eOutput clip indicators and phase control\u003c\/strong\u003e\u003cbr data-end=\"2210\" data-start=\"2207\"\u003e• \u003cstrong data-end=\"2266\" data-start=\"2212\"\u003eAnodized aluminum heat sink for cooling efficiency\u003c\/strong\u003e\u003cbr data-end=\"2269\" data-start=\"2266\"\u003e• \u003cstrong data-end=\"2313\" data-start=\"2271\"\u003eCompact design with premium aesthetics\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch5\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-85\" 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-85\" data-turn-id-container=\"request-WEB:57a20e7f-f1ef-4da9-9d5c-4d5ec57a6c7b-85\" data-testid=\"conversation-turn-172\" 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=\"be7859af-2cd7-41ee-9097-2f737b78f361\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" 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=\"1876\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"wq2j8f\" data-start=\"28\" data-end=\"279\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"70\"\u003eHigh-performance 4-channel amplifier\u003c\/strong\u003e – The \u003cstrong data-start=\"77\" data-end=\"88\" data-is-only-node=\"\"\u003eHX480.4\u003c\/strong\u003e delivers clean, efficient \u003cstrong data-start=\"115\" data-end=\"126\"\u003eClass D\u003c\/strong\u003e power, making it an excellent choice for powering component or coaxial speaker systems with premium sound quality. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g5d67h\" data-start=\"280\" data-end=\"521\"\u003e\n\u003cstrong data-start=\"282\" data-end=\"315\"\u003ePowerful and versatile output\u003c\/strong\u003e – Delivers \u003cstrong data-start=\"327\" data-end=\"348\" data-is-only-node=\"\"\u003e120W RMS × 4 @ 4Ω\u003c\/strong\u003e, \u003cstrong data-start=\"350\" data-end=\"371\"\u003e185W RMS × 4 @ 2Ω\u003c\/strong\u003e, or \u003cstrong data-start=\"376\" data-end=\"405\"\u003e370W RMS × 2 bridged @ 4Ω\u003c\/strong\u003e, providing flexible configuration options for a wide range of system designs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zxd4mp\" data-start=\"522\" data-end=\"739\"\u003e\n\u003cstrong data-start=\"524\" data-end=\"556\"\u003eEfficient Class D technology\u003c\/strong\u003e – Advanced Class D circuitry maximizes efficiency while reducing heat buildup, ensuring reliable performance during extended listening sessions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"c0dhyh\" data-start=\"740\" data-end=\"974\"\u003e\n\u003cstrong data-start=\"742\" data-end=\"770\"\u003eAdvanced tuning controls\u003c\/strong\u003e – Features \u003cstrong data-start=\"782\" data-end=\"839\" data-is-only-node=\"\"\u003evariable high-pass and low-pass crossovers (40–400Hz)\u003c\/strong\u003e, adjustable phase control, and output clip indicators for precise system setup and optimization. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xll87a\" data-start=\"975\" data-end=\"1201\"\u003e\n\u003cstrong data-start=\"977\" data-end=\"1008\"\u003ePremium internal components\u003c\/strong\u003e – Built with a \u003cstrong data-start=\"1024\" data-end=\"1039\" data-is-only-node=\"\"\u003e4-layer PCB\u003c\/strong\u003e, balanced differential inputs, audiophile-grade components, and SNAP capacitors for low-noise, accurate audio reproduction. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1om0tpj\" data-start=\"1202\" data-end=\"1418\"\u003e\n\u003cstrong data-start=\"1204\" data-end=\"1244\"\u003eCompact installation-friendly design\u003c\/strong\u003e – The anodized aluminum heatsink provides excellent thermal management while the compact chassis fits easily into custom installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19h9dii\" data-start=\"1419\" data-end=\"1630\"\u003e\n\u003cstrong data-start=\"1421\" data-end=\"1453\"\u003eReliable protection features\u003c\/strong\u003e – Includes comprehensive protection circuitry and top-mounted controls for convenient installation, adjustment, and long-term reliability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"uexkxt\" data-start=\"1631\" data-end=\"1876\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1633\" data-end=\"1684\"\u003eExpert choice for premium multi-speaker systems\u003c\/strong\u003e – A great option for enthusiasts seeking high output, flexible configuration, and clean, distortion-free performance in advanced car audio installations. \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=\"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\u003e \u003cbr\u003eQ\u0026amp;A    \u003c\/h5\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What is the Diamond Audio HX480.4 designed for?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It is a 4-channel full-range Class D amplifier designed to power multiple speakers in car and custom audio systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What are the benefits of a 4-channel amplifier?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It can power front and rear speakers or be bridged for flexible system configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What are the advantages of Class D amplification?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Class D technology delivers high efficiency, strong power output, reduced heat, and a compact design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Can the HX480.4 improve factory audio systems?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. It provides cleaner power, higher volume, and improved overall sound quality when paired with compatible speakers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is this amplifier suitable for custom vehicle audio builds?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. It is ideal for car, truck, and powersports audio upgrades requiring reliable multi-channel amplification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\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-82\" 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-82\" data-turn-id-container=\"request-WEB:3cd937b8-2b7e-4b8b-a5e0-e5c39fc005be-82\" data-testid=\"conversation-turn-166\" 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=\"4c543f55-b3ad-42e0-8635-a19b760b82a7\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" 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=\"700\" 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=\"1k92ppj\" data-start=\"105\" data-end=\"181\"\u003eKeep cooling fins and ventilation areas clear for proper heat dissipation.\u003c\/li\u003e\n\u003cli data-section-id=\"1lyw4pq\" data-start=\"182\" data-end=\"282\"\u003eInspect power, ground, RCA, and speaker connections regularly for secure, corrosion-free contacts.\u003c\/li\u003e\n\u003cli data-section-id=\"mlfq60\" data-start=\"283\" data-end=\"364\"\u003eCheck wiring, terminals, and fuse holders periodically for wear or overheating.\u003c\/li\u003e\n\u003cli data-section-id=\"vvyd2g\" data-start=\"365\" data-end=\"445\"\u003eEnsure the amplifier is securely mounted to minimize vibration-related damage.\u003c\/li\u003e\n\u003cli data-section-id=\"k9i6rp\" data-start=\"446\" data-end=\"541\"\u003eSet gain and crossover controls correctly to prevent clipping and protect connected speakers.\u003c\/li\u003e\n\u003cli data-section-id=\"1eorcs4\" data-start=\"542\" data-end=\"617\"\u003eAvoid prolonged operation at maximum output to extend amplifier lifespan.\u003c\/li\u003e\n\u003cli data-section-id=\"1excce\" data-start=\"618\" data-end=\"700\" data-is-last-node=\"\"\u003eKeep the amplifier protected from excessive heat, moisture, and direct sunlight.\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":45782784868543,"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.jpg?v=1782556517","url":"https:\/\/www.mybackyardzone.com\/products\/hx480-4-hex-4-channel-full-range-class-d-amplifier","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}