Amazon.com offers the Sony HT-CT500 3.1-Channel Home Theater Audio System for $360.29. With free shipping, it's the lowest total price we could find by $21. Sales tax is added where applicable. This 400-watt system features a "soundbar" that houses the front- and center-channel speakers, subwoofer, auto-calibration, BRAVIA sync, HDMI and component inputs, and more.