Amazon.com: Seismic Audio - Baby-Tremor_PW-PKG1 - Pair of Powered 15" Pro Audio Subwoofer Cabinets - 300 Watts RMS - PA/DJ Stage, Studio, Live Sound Active 15 Inch Subwoofers : Everything Else
PRV Audio 15SW2000-4 15" Pro Audio Subwoofer 4-Ohm 2000 Watts Sub | eBay
Eminence LAB 15 - 15-Inch 1200W Pro Audio Subwoofer Speaker
Lanzar Maxp124d Max Pro Compact 15 Inch Round 2000 Watt Powerful Performance Dual 4 Ohm Vehicle Truck Car Subwoofer Audio System (single Subwoofer) : Target
XPRS215S PIONEER PRO AUDIO DUAL 15" POWERED SUBWOOFER XPRS-215S (XPRS15S)