Amazon.com: Gravity 1x 12 Inch 2000 Watt Car Audio Subwoofer w/ 2 Ohm DVC Power 12 in. Sub - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance Car Show : Electronics
Pyle PLPW15D Power Series Dual-Voice-Coil 4Ω Subwoofer (15", 2,000 Wat – Silarius