{"product_id":"4-channel-digital-power-amplifier-polk-audio","title":"4-CHANNEL DIGITAL POWER AMPLIFIER (POLK AUDIO)","description":"Polk's 4-Channel Amplifier will enhance your audio system. This 500 watt amplifier is built to withstand the aquatic environment by having stainless steel hardware throughout to prevent corrosion and nickel-plated wire terminals. The PAD4000.4 is also built to produce the best sound quality aboard any boat.\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eMax power handling: 500 watt\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eEfficient Class D design \u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eHigh-speed MOSFET switching power \u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eToroidal transformers\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eProtection: Thermal, DC offset, reverse DC voltage and short circuit protection\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eNickel-plated wire terminals and RCA connectors ensure maximum signal transfer\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eFront and Rear Level Controls\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eLow-Pass and High-Pass Frequency Controls\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eFront and Rear BPF, FULL, HPF Switches\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eChannel Mode Switch (ST\/4Ch)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eStainless steel hardware throughout\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSignal-to-noise ratio: \u0026gt; 105~ dBA\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eInput ompedance: 20k Ohms\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eOverall frequency response: 20-20 KHz main channels\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDimensions with panels: 1.81\" H x 10.94\" W x 6.75\" D\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Polk Audio","offers":[{"title":"Default Title","offer_id":40706937651245,"sku":"747192121938","price":472.44,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0380\/3837\/2397\/products\/450-PAD40004.jpg?v=1759446326","url":"https:\/\/yachtgurus.us\/products\/4-channel-digital-power-amplifier-polk-audio","provider":"Yacht Gurus, inc","version":"1.0","type":"link"}