Amazon.com: American Bass XFL-1044 10-inch Competition Car Subwoofer 1500 Watt RMS / 3000 Watt Max Dual Voice Coil 4 Ohm Impedance 3" Voice Coils 200 Oz Magnet : Electronics
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