CS1214 | 30 cm (12 inch) subwoofer, with double magnet suitable for enclosed, bass reflex and bandpass boxes
Amazon.com: JBL 12" Car Audio Subwoofer, Black : Electronics
JBL STADIUM122SSI 12” High Performance 1350 Watts Peak Power Selectable Impedance Car Audio Subwoofer Bundle Combo with Class D 1500 Watts Peak Power Car Audio Mono Amplifier and Amp Wiring Kit - Road Entertainment
JBL STAGE 1200D Dual 12" Ported Subwoofer 1200 Watt Sub Box Final 2 Ohm Load 50036381567 | eBay
JBL Club 1224 Club Series 12" component subwoofer with switchable 2- or 4-ohm impedance at Crutchfield