That's the best price we could find by at least $398. Buy Now at eBay Tips Sold by Echo and Optics via eBay. Features Dolby Atmost and DTS:X 7 channels, 1 subwoofer, and two up-firing Atmos channels Q-Symphony audio sync with Samsung QLED TV speakers Amazon Alexa WiFi and Bluetooth Model: HW-Q900T/ZA