JBL BASSPRO 8" Single-Voice-Coil Loaded Subwoofer Enclosure with Integrated Amp Black SUBBPSL2AM - Best Buy
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
Club 1224 | 10" (250mm) and 12" (300mm) car audio subwoofers
Amazon.com: JBL SUBBP12AM - 12” amplified 12” Subwoofer with Sub Level Control, Black : Electronics
JBL BassPro 12 ported powered 12" bass package - Car Audio, Car Alarms and Stereo Installation San Jose Bay Area CA
JBL CS-1214 Car Speaker for sale online | eBay
JBL STADIUM122SSI 12" High Performance Automotive Audio Subwoofer with Selectable Impedance - Open Box - Creative Audio