Polk Audio DB 842 SVC
Hard-hitting bass: Polk Audio's DB+ Series subwoofers combine high-tech materials and advanced design to give you smooth, powerful, hard-hitting bass without stressing your wallet. The DB 842 SVC 8" subwoofer boasts a rigid polypropylene cone and durable Santoprene(tm) surround built to handle big power over the long run. Its low-profile design means you get serious performance from a sub that takes up less space. Certified for marine use: Match a DB+ sub to a suitable enclosure, and enjoy impressive bass punch rarely found in this price range.