The M-Series™ 5.1 Home Theater Sound Bar with Dolby Atmos® and DTS:X® from VIZIO, America’s #1 Sound Bar Brand, features 9 high-performance speakers with separate tweeters and woofers to deliver thrilling Dolby Atmos and DTS:X virtual 3D surround sound. The dedicated center speaker assures clear dialogue, the surround speakers fill the room from front to back, and the 6" wireless subwoofer rocks the house with deep bass that really booms. Dolby Atmos and DTS:X 3D surround technologies add cinematic sound to movies at home and bring video games to life with heart-pounding realism and a multi-dimensional effect that seems to come from all around you, even from above, in any room.