Sony SS-WS74 Subwoofer Speaker for Sony DVD Home Theater Systems -...
Sony SA-WMSP75 75W Powered Active Single 8" Subwoofer Home Theater Speaker | Reverb
Sony 115 W 10" Home Theater Active Subwoofer (SA-CS9) with Monoprice Select Series 16 AWG Speaker Wire 100ft & High-Quality Brass Speaker Banana Plugs, 5-Pair, Open Screw Type - Walmart.com
SONY Home Theatre Subwoofer (SANA9ES) | Superior Sound