Massive Boom88 under seat woofer, Auto Accessories on Carousell
Amazon.com: Massive Audio KILOX124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1000 Watt RMS, 2000w MAX Dual 2 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
BOA121 - 12" 6,000w Dual 1 Ohm BOA Series Mega Subwoofer by Massive Audio® - SSA STORE