Serving as the flagship series Wireless Soundbar from Samsung, the HW-Q900AXU with Dolby Atmos is the perfect partner for the 2021 QLED and Neo QLED series televisions. Delivering one of the most immersive front surround sound experiences to date. Encapsulate yourself in the action with true 7.1.2ch sound3DObject Based Sound (Dolby Atmos and DTS:X)Samsung Q-Symphony* (*see features in specifications tab)Spacefit Sound: built-in microphone in subwoofer ensure setting are automatically optimised