Polk Audio HTS 12 12" Subwoofer with Power Port Technology — Safe and Sound HQ
TNE212D Dual 12" TERMINATOR Series 800-Watt Peak Power Subwoofer Enclosure | MTX - Serious About Sound®
Crunch Crw12d4 12 Inch 800 Watt Max 4 Ohm Dual Voice Coil Car Subwoofer Speaker With 2 Channel 1000 Watt Amp A/b Class Car Audio Stereo Amplifier : Target
JBL BassPro 12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield
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
Eminence Lab 12C High Power 12" Subwoofer Speaker Driver 4 Ohm