Amazon offers the Panasonic 2.1-Channel Sound Bar Home Theater System, model no. SC-HTB370, for $129.99 with free shipping. That's the lowest total price we could find by $100, outside of the price below. It features 60 watts of power output per channel through two channels, 6" 120-watt subwoofer, Bluetooth enabled streaming, Dolby Digital, and Pro Logic II and Virtual Speaker decoders.
A close price: Walmart charges $135 with free shipping.