JBL Cinema SB400 Powered 2.1-channel home theater sound bar with wireless subwoofer and Bluetooth® at Crutchfield
JBL P1222 MONSTER 12 in 1600 Watts Subwoofer, 400 Watts RMS. In Vented Box. Very Clean Good Condition. Massive Heavy Sub for Sale in Portland, OR - OfferUp
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Used JBL sub 400 Subwoofers for Sale | HifiShark.com