Massive Audio GTX Series 6-Inch 250-Watt-RMS Dual 4-Ohm Subwoofer in the Mobile Audio department at Lowes.com
Amazon.com: Massive Audio KILOX104-10 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 10" Subwoofer 1000 Watt RMS, 2000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Massive Audio HIPPOXL 82R Subwoofer – American Car Audio
15 in, Dual 1 ohm, 4 in. Flat Wound v.c. 6000 RMS / 8000w Burst
Massive Audio GTX Series 10-Inch 700-Watt-RMS Dual 2-Ohm Subwoofer in the Mobile Audio department at Lowes.com
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
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
Massive Audio TKO Series 10-Inch 300-Watt-RMS Dual 4-Ohm Subwoofer in the Mobile Audio department at Lowes.com