Amazon.com: Audioengine S8 Powered Subwoofer Speaker - 250W 8-inch Home Subwoofer with Built-in Amplifier and Dual Audio Inputs for Home Speaker System (Black) : Electronics
Amazon.com: Pyle Car Vehicle Subwoofer Audio Speaker - 12 Inch 1200 Watt Power Ultra Slim DVC Subwoofer w/ Dual 2.5” Kapton Voice Coil, 4 Ohm Impedance, 75 Oz Magnet - for Vehicle Stereo Sound System PLWCH12D : Electronics
Amazon.com: BOSS Audio Systems P120F 1400 Watt, 12 Inch , Single 4 Ohm Voice Coil, Shallow Mount Car Subwoofer : Electronics
Amazon.com: BOSS Audio Systems P80DVC 1000 Watt, 8 Inch, Dual 4 Ohm Voice Coil Car Subwoofer : Electronics
Amazon.com: Audioengine S8 Powered Subwoofer Speaker - 250W 8-inch Home Subwoofer with Built-in Amplifier and Dual Audio Inputs for Home Speaker System (White) : Electronics