Amazon.com: H YANKA 12 Inch Subwoofer - Paper Cone Car Audio, Black Steel Basket, Dual Voice Coil 4 Ohm Impedance subwoofer, 1600W MAX Power inch Competition : Electronics
Amazon.com: Pyle 12' Car Audio Speaker Subwoofer - 1600 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 40 Ohm, 60 oz Magnet, 2
Polk Audio Monitor XT12 12" 100W Class A/B Amplifier Subwoofer Midnight Black Monitor XT12 - Best Buy
Sundown Audio SA Classic 12" inch DVC Dual 4 Ohm (SA Series) Car Subwoofer 750 Watts
Amazon.com: Dual Electronics SBX212i 12-inch illumiNITE High Performance Studio Enclosed Subwoofers with 1,200 Watts of Peak Power & 41-Ounce Magnets : Electronics
12 Inch Subwoofers MMATS Pro 12 Car Audio Subwoofer