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
EM audio 1000rms Custom 8" Hand Built Subwoofer - EM Audio Subwoofers