Amazon.com: Massive Audio KILOX104-10 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 10" Subwoofer 1000 Watt RMS, 2000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
FIERCE 12S Car Subwoofers | 12 Inch Subwoofer |1000 Watts RMS – TORO AUDIO
Incriminator Audio Death Penalty 2000W RMS 15'' Subwoofer