Pioneer TS-WX1220AH Dual 12" Ported Enclosure Active Subwoofer with Built-in Amplifier - Walmart.com
Amazon.com: Pioneer TS-A300D4 12 Inch 1500 Watts Max Power Dual 4-Ohm Voice Coil A Series Car Audio Stereo Subwoofer Loudspeakers / Free Alphasonik Earbuds : Electronics
Pioneer TS-W306R 12-inch Car Subwoofer (Black) : Amazon.in: Electronics