VIZIO SmartCast 5.1 Channel Sound Bar System with 5-1/4″ Wireless Subwoofer is $100 off today as the Best Buy Deal of the Day – $149.99.  The slim design mounts easily on a wall and Dolby Digital technology delivers impeccable sound reproduction. This VIZIO sound bar features a wireless subwoofer and remote control for easy across-the-room control.