Amazon.com: Massive Audio SUMMOXL104-10 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 10" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
NVX VCW154: 15" 1000w RMS Car Subwoofer, Dual 4 Ohm
DS18 HOOL-X12.1DHE HOOLIGAN 12" High Excursion Car Subwoofer 4000 Watts Rms 4" Dvc 1-Ohm
TROPO-12 - 1300 Watt 12 Inch Car Subwoofer - CT Sounds – CT SOUNDS
SPK-8S4 - AudioControl
Rockville W12K9D2 12" 4000w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant
Used CT Sounds EXO-12-D2 3000 Watts RMS 12 Inch Car Subwoofer - Dual 2 Ohm | eBay