New (2) 12” inch JBL Subwoofers + JBL 1200 Watts Max Monoblock Bass Amplifier w/ Speaker Box {No Credit Easy Financing} for Sale in San Jacinto, CA - OfferUp
GT-12BP | 12" (300mm) car audio bandpass subwoofer box
JBL SUB BassPRO12 450 Watts Amplified 12" Ported Subwoofer Sub Box Built In Amp 50036368308 | eBay
JBL GT-12BP GT Series 12 Inch Loaded Bandpass Subwoofer Enclosure - Open Box - Creative Audio