{"product_id":"prv-audio-qs400-4-4-channel-car-amplifier-2-ohm-stable-4-x-100w-rms-compact-12v-class-d","title":"PRV Audio QS400.4 4-Channel Car Amplifier — 2 Ohm Stable, 4 x 100W RMS, Compact 12V Class D","description":"\u003ch2\u003eCompact power with big potential for your car audio\u003c\/h2\u003e\n\u003cp\u003eThe PRV Audio QS400.4 is a compact four‑channel amplifier that delivers true four‑channel performance without stacking bulk in your vehicle. It provides up to 4 x 100 watts RMS when wired at 2 ohms, while operating from a standard 12‑volt electrical system. This combination can help you elevate the clarity and punch across front and rear speakers, all in a small, easy‑to‑hide package.\u003c\/p\u003e\n\u003ch3\u003eEfficient, high‑pedigree design\u003c\/h3\u003e\n\u003cp\u003eBuilt with digital Class D technology and Brazilian engineering, the QS400.4 emphasizes efficiency and thermal management. The result is more usable power with less heat generation, which can translate into steadier performance during longer drives or high‑demand listening sessions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 100 watts RMS at 2 ohms: plenty of headroom for multiple speakers.\u003c\/li\u003e\n\u003cli\u003e2‑channel bridging: pair two channels for an extra 200 watts RMS to a single speaker or subwoofer channel.\u003c\/li\u003e\n\u003cli\u003eFull‑range output: designed to cover a broad frequency spectrum for a cohesive soundstage.\u003c\/li\u003e\n\u003cli\u003e12‑volt compatibility: designed to work with typical car electrical systems.\u003c\/li\u003e\n\u003cli\u003eCompact footprint: 4 inches wide, 5.4 inches long, and 2 inches tall, enabling flexible mounting options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat this means in real‑world use\u003c\/h3\u003e\n\u003cp\u003eWith a small footprint, the QS400.4 can be tucked under a seat, in the dash pocket, or in the trunk area—where space is at a premium. The 2‑ohm stability supports wiring arrangements that distribute power across several speakers, helping your system feel more balanced rather than overdriven. Bridging two channels can open up higher output for a pair of speakers, adding dynamic emphasis where you want it most.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports multiple speaker configurations without a bulky amplifier.\u003c\/li\u003e\n\u003cli\u003eBridge mode offers a path to stronger output for paired speakers.\u003c\/li\u003e\n\u003cli\u003eDesigned to respect your vehicle’s electrical system while delivering audible improvements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you’re upgrading a factory setup or building a new system from the ground up, the QS400.4 presents a practical option that prioritizes efficiency, installation ease, and flexible power delivery. Explore the possibilities for your vehicle’s sound stage without committing to a larger component or a complicated install.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the PRV Audio QS400.4?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The QS400.4 is a compact 4-channel car amplifier delivering up to 4 x 100W RMS at 2 ohms with Class D efficiency and bridgeable channels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can you bridge channels to increase power?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, two channels can be bridged to double output for a pair of speakers, with a 4-ohm minimum per bridged channel.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PRV AUDIO","offers":[{"title":"Default Title","offer_id":48406755672221,"sku":"B0CCZYVY2K","price":89.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/prv-audio-qs400-4-channel-amp-front-view.jpg?v=1781144389","url":"https:\/\/nexoltic.com\/products\/prv-audio-qs400-4-4-channel-car-amplifier-2-ohm-stable-4-x-100w-rms-compact-12v-class-d","provider":"Nexoltic","version":"1.0","type":"link"}