NEW 12" Home Theater Subwoofer Ultra Low Frequency woofer 8 ohm efficiency bass | eBay
Winner/SUB-12TD Overweight Active Subwoofer 12 Inch Professional Home Theater Subwoofer 4ohm
Amazon.com: Polk Audio HTS 12 Powered Subwoofer with Power Port Technology | 12” Woofer, up to 400W Amp | For the Ultimate Home Theater Experience | Modern Sub that Fits in any
KLH Stratton 500 Watt 12 inch Subwoofer | KLH Subwoofers
Budget 12-inch Subwoofer Shootout! Infinity, Klipsch, Dayton, Jamo, OSD & Bic (see comments for info) : r/BudgetAudiophile
KS112 - Powered Subwoofers
Discontinued Obsolete SKU | MTX Audio - Serious About Sound®