Alphasonik HSW212 Hyper 200 Series 12” 1200 Watts Max / 400 Watts RMS | Alphasonik
KICKER 43DC122 Comp Dual 12" Subwoofers In Vented Sub Box Enclosure + Speaker - Rockville Audio
KLH Stratton 500 Watt 12 inch Subwoofer | KLH Subwoofers
Amazon.com: Pyle Car Vehicle Subwoofer Audio Speaker - 12 Inch 1200 Watt Power Ultra Slim DVC Subwoofer w/ Dual 2.5” Kapton Voice Coil, 4 Ohm Impedance, 75 Oz Magnet - for Vehicle Stereo Sound System PLWCH12D : Electronics
Amazon.com: Pyramid 12 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch Kapton Bobbin Voice Coil, 8 Ohm, 25 oz Magnet, Cloth Edge