Walmart offers the Vizio 38" 3.1-Channel SmartCast Soundbar System for $128 with free shipping. That's the lowest price we could find by $39 and the best deal we've seen for a Vizio Smartcast 3.1 system. Features include:

50Hz to 20kHz frequency response

remote w/ LCD display

802.11n wireless, Bluetooth 4.1, and USB