Rockville W15K9D2 15" 5000w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant
07S12X4 - Kicker Solo X 12" 5,000 Watt Dual 4 Ohm Subwoofer
Pyramid 10 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 2 Inch High-Temperature Kapton Voice Coil, 85.6 dB, 8 Ohm, 60 oz Magnet - Pyramid PW1048USX