STRATO-12 - 2500 Watt 12 Inch Car Subwoofer - CT Sounds – CT SOUNDS
Sundown Audio SML-12 inch Dual 4 ohm Shallow Mount Subwoofer SML Serie – Droppin HZ Car Audio
Amazon.com: H YANKA 12 Inch Subwoofer - 12 Inch Paper Cone Subwoofer Car Audio, Black Aluminum Basket, Dual Voice Coil 4 Ohm Impedance 12 subwoofer, 1600W MAX Power 12 inch Competition Subwoofer : Electronics