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
Massive Audio BOA151N 6000W RMS) 15" Dual 1-Ohm Mega Subwoofer
Massive Audio 15" 3000 W 6000 W Max Dual 2 OHM 4" V.C. Subwoofer — Big Jeff Online Inc
DS18 HOOLIGAN X Black Frame, High Excursion 15" audio Subwoofer 6000 Watts MAX 4" DVC 1-Ohm
Avatar Tsunami STU-1246-D1 Orange 6000 Watts Peak 1-Ohm 12" Subwoofer — Big Jeff Online Inc