SB380 35.5" Sound Bar With 6 levels of AccuVoice, Built-In Subwoofer – ZVOX Audio
Monitor XT12 Subwoofer - 100W 12" Woofer | Polk Audio
BOSS Audio Systems B12ES 12 Inch Powered Car Subwoofer – 1200 Watts Max, Single 4 Ohm Voice Coil, Built-in Amp Package, Remote Subwoofer Control (16 ft Cable), Sold Individually