Rockville RVW1500P8 1500w 15" Raw DJ Subwoofer 8 Ohm Sub Woofer 70OZ Magnet
DC Audio Level 4 15" Dual-2-Ohm 1500W RMS / 3000W Peak Car Audio Subwo - Showtime Electronics
Pioneer TS-A300S4 - 12" Car Subwoofer Single 4 Ohm 1500W Max Power BNIB | eBay
BOSS Audio Systems CH10DVC Chaos Series 10 Inch Car Audio Subwoofer - 1500 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck, Boxes and Enclosures, Use With Amplifier