Massive Audio 6" Subwoofer 500 Watt Dual 4 Ohm Voice Coil GTX64 — Big Jeff Online Inc
Amazon.com: Massive Audio SUMMOXL104-10 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 10" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics