Amazon.com: JBL Club 1224 12" Car Audio Subwoofer : Electronics
JBL BASS PRO 12 30cm 150W Active subwoofer box 570 x 371 x 305 mm CarHifi | eBay
Amazon.com: JBL Club WS1200 12" Shallow Mount subwoofer w/SSI (Selectable Smart Impedance) Switch from 2 to 4 ohm Bundled with Alphasonik Earbuds : Electronics
CS1214 | 30 cm (12 inch) subwoofer, with double magnet suitable for enclosed, bass reflex and bandpass boxes
JBL BASS PRO 12 30cm 150W Active subwoofer box 570 x 371 x 305 mm CarHifi | eBay