BOA151 - 15 Inch Subwoofer 6,000 Watts RMS Dual 1 Ohm Mega Subwoofer
Amazon.com: Pair of Gravity Warzone 12 Inch 6000 Watt Car Audio Subwoofer w/ 4 Ohm DVC Power (2 Woofers) : Electronics
American Bass GF-1211 12-inch Godfather Series Dual 1 Ohm Subwoofers 3000 Watts RMS 6000 Watts Max Power 400 Oz Magnet 4" Voice Coil,Black - Walmart.com
BOA121 12 Inch Subwoofer | 6,000 Watts RMS Dual 1 Ohm Mega Subwoofer
American Bass Godfather 18" Competition Subwoofer, D1/D2 Voice Coil, 3000 Watts RMS/6000 Watts Max
Toro Audio FORCE 15SX Car Subwoofer | 15 Inch Subwoofer | 6,000 Watts RMS – TORO AUDIO