JBL Harman GT5-1204bp Car subwoofer passive 1100 W | Conrad.com
JBL GT5-1202BR Single 12" Bass-Reflex Subwoofer Box/Enclosure
JBL BassPro 12 | 12" (300mm) Car Audio Powered Subwoofer System with Slipstream Port Technology
Are you looking for an easy way to add high-output low-distortion bass to your vehicle's audio system? Then JBL's… | 12 inch subwoofer, Powered subwoofer, Subwoofer
JBL SLIPSTREAM GT SERIES SUBWOOFER for Sale in Tacoma, WA - OfferUp