Memphis Audio MOJO1212 MOJO 7 Series 12" subwoofer with selectable 1- or 2-ohm impedance - Breakers Stereo and Performance
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
Sundown Audio Nightshade NSv6 12" inch DVC Dual 1 Ohm (NS Series) Car Subwoofer 3000 Watts
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