Polk audio db842svc 8 inches 750 watts car marine boat audio subwoofer sub speaker Car Subwoofers

Polk Audio DB842SVC 8" 750 Watt Car/Marine Boat Audio Subwoofer Sub+Free Speaker Rich Deep Bass, On the Go. Delivers thunderous sonic output and powerful low frequency response whenever... that will get your heart pumping.. Marine Certified. Built to last for cars, boats and ATVs with an IP56 rating and tested for Salt-fog, UV &... Polk Audio DB842SVC 8" 750 Watt Car/Marine Boat Audio Subwoofer Sub+Free Speaker