tzgbass 1600w slim under seat subwoofer and amp package, powered car subwoofer with built-in amp, subsonic deep bass, led switch control, high-excursion underseat subwoofer for truck/car audio systems is up for auction in Automotive. The current bid is $47.51, 66% below the $139.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.