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Pioneer TS-WX1210A - 12 Inch Sealed Enclosure Active Subwoofer with Built-In Amplifier - Amplified sub boxes - Online Car Audio & Stereo Store
High Output 12" D1/D2 Subwoofer | SAVARD Speakers
Amazon.com: Pyramid 12 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch Kapton Bobbin Voice Coil, 8 Ohm, 25 oz Magnet, Cloth Edge
TNE212D Dual 12" TERMINATOR Series 800-Watt Peak Power Subwoofer Enclosure | MTX - Serious About Sound®