Amazon.com: Hifonics Alpha HAW10D4 –10 Inch Subwoofer, Dvc Car Audio, 1000 Watt, Dual 4 Ohm, 2 Inch Voice Coils with A Woven Glass Cone, Light Weight Sub : Electronics
2) Hifonics Hfx12d4 12" 1600w Car Audio Dvc Subwoofers Power Bass Subwoofers : Target