Massive Audio HIPPOXL124 12 Inch 4000 Watt Dual 4 Ohm Mega Subwoofer | Big Jeff Online Inc
Massive Audio TKO104 10" 600 Watt Dual 4 Ohm Subwoofer MA-TKO104 All Car Audio | 12 Volt & Beyond
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