Polk Audio DB842 SVC - DB+ Series 8" Shallow Subwoofer for Marine/Car Sound System, 30Hz-200Hz Frequency Response, Single 4-Ohm Voice Coils and Polypropylene Woofer Cone. POWERFUL SUBWOOFER FOR CAR & MARINE - The Polk DB842 SVC 8" Marine Certified Subwoofer is a space-saving sub with 750W peak power and features a polypropylene woofer cone, and a durable Santoprene surround built to handle big power over the long run.
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