For Prime members only, Amazon offers the Vizio SmartCast 45" 5.1-Channel WiFi Bluetooth Wireless Soundbar System, model no. SB4551-D5, for $299.99 with free shipping. (Sam's Club has it for the same price, for members only.) That's $49 under our August mention and the lowest total price we could find now by $48.The system features a 45" soundbar with 30Hz to 20kHz frequency response, 8" slim wireless subwoofer with 30Hz to 120kHz frequency response, two rear satellite speakers, Dolby Digital and DTS sound, Google Cast, 802.11n wireless, Bluetooth 4.1, HDMI, USB, and Ethernet. It's compatible with the Vizio SmartCast app, which turns your mobile device into a remote control and lets you stream audio from other media apps.