Polk Audio DB 842 SVC (DB842SVC) DB+ Series SVC 4 ohm Car Subwoofer
Polk Audio DB 842 SVC (DB842SVC). 8" Single 4 ohm DB+ Series Subwoofer. 750W Peak (250W RMS) 8" DB+ Series Single 4-ohm Car, UTV and Marine Subwoofer. BBSW127,8SQV,DB 842 SVC. Series DB+ (Polk). Polk Audio.