{"product_id":"arcam-pa4","title":"ARCAM PA4 4-Channel Power Amplifier","description":"\u003cstyle\u003e.hos-arcam{--ac-ink:#202525;--ac-paper:#f3f0e9;--ac-gold:#b69b64;color:var(--ac-ink);font-family:inherit;line-height:1.7;margin:2.5rem 0}.hos-arcam *{box-sizing:border-box}.hos-arcam h2,.hos-arcam h3,.hos-arcam summary{font-family:var(--font-heading-family),inherit;color:inherit;text-transform:none}.hos-arcam h2{font-size:clamp(2.7rem,4vw,4.8rem);line-height:1.12;letter-spacing:-.025em;margin:0 0 2rem}.hos-arcam h3{font-size:2.2rem;line-height:1.3}.hos-arcam p{margin:0 0 1.7rem}.hos-arcam .ac-label{font-size:1.15rem;text-transform:uppercase;letter-spacing:.16em}.hos-arcam .ac-intro{background:var(--ac-paper);padding:clamp(2.2rem,4vw,4.8rem);border-top:3px solid var(--ac-gold)}.hos-arcam .ac-section{padding:3.5rem 0;border-bottom:1px solid #d9d5cc}.hos-arcam .ac-photo{margin:2.5rem 0;background:#fff}.hos-arcam img{width:100%;height:auto;display:block;object-fit:contain}.hos-arcam .ac-photo img{max-height:480px}.hos-arcam .ac-caption{font-size:1.2rem;color:#626762;padding:1rem 0}.hos-arcam .ac-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 2.4rem}.hos-arcam .ac-stat{padding:1.5rem 0;border-top:1px solid #ddd7ca}.hos-arcam .ac-stat strong{display:block;font-size:1.4rem}.hos-arcam .ac-stat span{display:block;font-size:1.5rem}.hos-arcam .ac-cta{background:#202525;color:#fff;padding:clamp(2.4rem,4vw,4rem);margin-top:3rem}.hos-arcam .ac-button{display:inline-block;padding:1.3rem 2rem;background:#d8c59d;color:#202525!important;font-weight:700;text-decoration:none;margin:1rem 1rem 0 0}.hos-arcam a{color:inherit;text-underline-offset:4px}.hos-arcam summary{background:var(--ac-paper)!important;color:var(--ac-ink)!important;padding:1.5rem!important;border:0!important;cursor:pointer;font-size:1.7rem}.hos-arcam details{margin:1rem 0}.hos-arcam details p{padding:1.5rem}.hos-arcam .ac-note{font-size:1.3rem;color:#565d59}.hos-arcam .ac-soon{font-size:1.4rem;font-weight:700;border-left:3px solid var(--ac-gold);padding:1rem 1.5rem}.hos-arcam ul{padding-left:2.2rem}@media(max-width:600px){.hos-arcam .ac-stats{grid-template-columns:1fr}.hos-arcam .ac-button{display:block;text-align:center;margin:1rem 0}.hos-arcam .ac-section{padding:2.5rem 0}}product-info:has(.hos-arcam) .price__badge-sold-out{display:none}product-info:has(.hos-arcam) .product__tax{display:none}\u003c\/style\u003e\u003cdiv class=\"hos-arcam\"\u003e\n\u003cheader class=\"ac-intro\"\u003e\u003cp class=\"ac-label\"\u003eARCAM \/ 4-Channel Power Amplifier\u003c\/p\u003e\n\u003ch2\u003eFour more channels, without another tower of boxes.\u003c\/h2\u003e\n\u003cp\u003eThe forthcoming PA4 is designed to add four channels of Class D power to a compatible AV system. Its slim chassis makes it a useful prospect for surround or height duties, where the processor may have more channels available than the receiver can power on its own.\u003c\/p\u003e\n\u003cp class=\"ac-soon\"\u003eComing soon · Expected March 2027. Timing and final specifications are subject to change.\u003c\/p\u003e\u003c\/header\u003e\u003cnav aria-label=\"Product information\" class=\"ac-jump\"\u003e\u003ca href=\"#arc-engineering\"\u003eDesign \u0026amp; setup\u003c\/a\u003e\u003ca href=\"#arc-docs\"\u003eManuals \u0026amp; resources\u003c\/a\u003e\u003ca href=\"#arc-reviews\"\u003ePress coverage\u003c\/a\u003e\u003c\/nav\u003e\u003cfigure class=\"ac-photo\"\u003e\u003cimg alt=\"ARCAM PA4 manufacturer preview\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0529\/7117\/6085\/files\/arcam-pa4-1.png?v=1792941539\" style=\"width:auto;max-width:100%;margin:auto\"\u003e\u003cfigcaption class=\"ac-caption\"\u003eManufacturer preview image. Final appearance may change.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003csection class=\"ac-section\"\u003e\u003cp class=\"ac-label\"\u003eThe House of Stereo perspective\u003c\/p\u003e\n\u003ch3\u003eWhere the PA4 fits.\u003c\/h3\u003e\n\u003cp\u003eThis is a power amplifier, not a receiver or streamer. It needs the appropriate preamplifier outputs upstream. The announced U.S. availability is March 2027; call us to confirm timing and compatibility before planning an installation around it. Final connection and power-test details will be added as ARCAM releases them.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"ac-section\"\u003e\u003cp class=\"ac-label\"\u003eAt a glance\u003c\/p\u003e\n\u003ch3\u003ePA4 specifications\u003c\/h3\u003e\n\u003cdiv class=\"ac-stats\"\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eAmplification\u003c\/strong\u003e\u003cspan\u003eAnnounced: 4 × 50W; Class D\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003cspan\u003eAdditional surround or height amplification\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eSystem requirement\u003c\/strong\u003e\u003cspan\u003eCompatible preamplifier \/ AV pre-outs\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eSize (W × D × H)\u003c\/strong\u003e\u003cspan\u003e17.2 × 12.7 × 1.75 inches\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eListed weight\u003c\/strong\u003e\u003cspan\u003e10 lb\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ac-stat\"\u003e\n\u003cstrong\u003eExpected availability\u003c\/strong\u003e\u003cspan\u003eMarch 2027; subject to change\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ac-section\" id=\"arc-engineering\"\u003e\u003ch3\u003eAnnounced details and system planning\u003c\/h3\u003e\n\u003cp\u003eThe announced PA4 is a compact four-channel Class D power amplifier, rated at 4 × 50W in the U.S. product announcement. It is intended to add surround or height amplification to an appropriate AV system. Announced dimensions are 17.2 × 12.7 × 1.75 inches (W × D × H), with a listed weight of 10 lb.\u003c\/p\u003e\n\u003cp\u003eA power amplifier needs a processor or AV receiver with suitable preamplifier outputs. It does not decode Dolby Atmos or switch HDMI sources by itself. We will check the available processing channels, channel assignments and amplifier connections before recommending it for an expansion.\u003c\/p\u003e\n\u003cp\u003eA public manual, exact-model independent review and manufacturer-embedded video have not been verified. The announcement does not specify impedance, bandwidth or distortion conditions for the power figure. Input types, gain, triggering and installation clearances should be confirmed from final documentation.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"ac-section\" id=\"arc-docs\"\u003e\u003ch3\u003eDocumentation and availability\u003c\/h3\u003e\n\u003cp\u003eExpected U.S. availability: March 2027, subject to change. The specifications shown are preliminary announcement details. Call House of Stereo to confirm availability and the final specification before ordering.\u003c\/p\u003e\n\u003cp\u003eWe have not substituted manuals or reviews for older products with similar names. Verified documentation for this exact model will be needed before final system planning.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"ac-section\" id=\"arc-reviews\"\u003e\u003ch3\u003ePress coverage\u003c\/h3\u003e\n\u003cp class=\"ac-note\"\u003ePublisher opinions are separate from House of Stereo’s advice. Review-era prices, software and specifications can differ from current information.\u003c\/p\u003e\n\u003cdiv class=\"ac-review\"\u003e\n\u003ch4\u003e\u003ca href=\"https:\/\/www.audioholics.com\/news\/arcam-radia\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eAudioholics — Radia AV range announcement\u003c\/a\u003e\u003c\/h4\u003e\n\u003cp\u003eLaunch coverage of the range and its architecture, not a hands-on performance review. Early release schedules may differ from current availability.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ac-section\"\u003e\u003ch3\u003eA few useful answers\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I order this online?\u003c\/summary\u003e\u003cp\u003ePlease call House of Stereo at 904-642-6677 to order. We will confirm availability, system compatibility and delivery details with you.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs it available now?\u003c\/summary\u003e\u003cp\u003eThe current U.S. announcement lists March 2027. Call for the latest schedule. We are not representing this advance listing as in-stock inventory.\u003c\/p\u003e\u003c\/details\u003e\u003c\/section\u003e\u003csection class=\"ac-section\"\u003e\u003ch3\u003eExplore the rest of the system\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arcam-ava25\"\u003eARCAM AVA25\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arcam-ava35\"\u003eARCAM AVA35\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003caside class=\"ac-cta\"\u003e\u003cp class=\"ac-label\"\u003eHouse of Stereo · Jacksonville, Florida\u003c\/p\u003e\n\u003ch3\u003eLet’s put the system together.\u003c\/h3\u003e\n\u003cp\u003eCall to order your ARCAM PA4. We will confirm availability and help with the details that make the difference at home.\u003c\/p\u003e\n\u003ca class=\"ac-button\" href=\"tel:+19046426677\"\u003eCall to order · 904-642-6677\u003c\/a\u003e\u003ca class=\"ac-button\" href=\"\/pages\/contact-us\"\u003eAsk us about your system\u003c\/a\u003e\u003c\/aside\u003e\n\u003c\/div\u003e\u003cstyle\u003e.hos-arcam .ac-jump{display:flex;flex-wrap:wrap;gap:1rem 2rem;padding:1.5rem 0;border-bottom:1px solid #ddd7ca}.hos-arcam .ac-jump a{font-weight:600}.hos-arcam .ac-spec-group{border:1px solid #ddd7ca;background:#fff}.hos-arcam .ac-spec-body{padding:0 1.6rem 1.6rem}.hos-arcam .ac-spec-body p{padding:0!important;line-height:1.8;overflow-wrap:anywhere}.hos-arcam .ac-spec-body table{width:100%;table-layout:fixed}.hos-arcam .ac-docs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 2rem}.hos-arcam .ac-docs li{overflow-wrap:anywhere;margin:.4rem 0}.hos-arcam .ac-video{position:relative;width:100%;aspect-ratio:16\/9;background:#202525}.hos-arcam .ac-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.hos-arcam .ac-review{border-left:3px solid #bfa26a;padding:0 1.5rem;margin:2rem 0}.hos-arcam .ac-review p{margin:.5rem 0}.hos-arcam section[id]{scroll-margin-top:10rem}.hos-arcam .ac-cta h3{color:#fff!important}@media(max-width:600px){.hos-arcam .ac-docs{grid-template-columns:1fr}}\u003c\/style\u003e","brand":"Arcam","offers":[{"title":"Default Title","offer_id":68056335122581,"sku":"ARCPA4AM","price":1499.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0529\/7117\/6085\/files\/arcam-pa4-1_41fd2d58-95dc-44c3-b1eb-d0ce0a67c8d6.png?v=1792941641","url":"https:\/\/houseofstereo.com\/products\/arcam-pa4","provider":"House Of Stereo","version":"1.0","type":"link"}