Amazon.com: Massive Audio SUMMOXL124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
BOA121-N - 12" NEO 6,000w Dual 1 Ohm BOA Series Mega Subwoofer by Massive Audio® - SSA STORE
MASSIVE AUDIO GTX 124 12" 700W RMS DUAL VOICE COIL DVC 4-OHM CAR SUBWOOFER NEW – LifeAfterBass