HIFONICS 12 in. 800-Watt 4-Ohm DVC Car Audio Subwoofer Power Bass Sub (3-Pack) 3 x HFX12D4 - The Home Depot
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
Amazon.com: Hifonics HFX12D4 12-Inch 1600 Watt HF Series Dual 4 Ohm Car Subwoofers, Pair of 2 : Electronics
Amazon.com: Hifonics THW12D4 Zeus Theta Series 1000 Watt Max 500 Watt RMS 4 Ohm 12 Inch Car Audio Subwoofer with 2.5 Inch Dual Voice Coils, Black : Electronics
HIFONICS ATL12BPS 30 cm (12") Single-Bandpass-System Subwoofer, 1000 Watt
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