JBL BassPro 12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield
NEW JBL GX1200 High Performance 1000 Watts 12" Single 4 Ohm SVC Car Subwoofer | eBay
JBL Arena 12 Arena Series 12" component subwoofer with 2- or 4-ohm selectable impedance at Crutchfield
PRX812 | JBL Professional Loudspeakers | English (US)
Old School 90's JBL GT Series GT122 140W-280W Single Voice Coil 12" Subwoofer | eBay
JBL WS1200 12 inch 250W Car Subwoofer for sale online | eBay
JBL ASB6112 4000W 12-inch Passive Subwoofer - Black | Sweetwater
Pair 2x Vintage JBL K120 K120-8 USA 8ohm 12" Speaker Drivers Working Re-coned | Reverb
Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
JBL 12 Inch Speakers (Subwoofers) Model GT122D - electronics - by owner - sale - craigslist