Amazon.com: Hifonics Alpha HAW12D4 –12 Inch Subwoofer, Dvc Car Audio, 1200 Watt, Dual 4 Ohm, 2.5 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
Hifonics ZW12D4 Zeus 12" 1200W Car Subwoofers (2 Pack) + Amp Kit Box - Walmart.com
Hifonics ZRX-12DUAL Dual-Bandpass Subwoofer Power 1.000 W Rmx / 2.000 W Max | eBay
MAXXSONICS Hifonics Zeus 6.5 in. 3-Way 300-Watt Shallow Mount Coaxial Speakers (12-Pack) 6 x ZS-65CXS - The Home Depot
Hifonics HF-210A (hf210a) 1000W Zeus Dual 10" Amplified Vented