Amazon.com: Massive Audio MMA104 MMA Series. 10 Inch, 1000 Watt, Dual 4 Ohm Car Subwoofer, 2.5 Inch Voice Coil. Sold Individually. : Electronics
Sundown Audio SAv2 10" inch DVC Dual 2 Ohm (SA Series) Car Subwoofer 1000 Watts RMS
Amazon.com: Pyle 10" Car Audio Speaker Subwoofer - 1000 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 4 Ohm, 50 oz Magnet, 2