JBL Sb300 Sub 8'' 100-watt Subwoofer for sale online | eBay
SB 300 - JBL.com
JBL by Harman Cinema SB300 Soundbar System - 2.1 Channel, 42Hz-20kHz, 100 Watts, 3D Surround Processing, Wireless Subwoofer, Dolby Virtual, Remote Control at TigerDirect.com