Samsung HW-S50B/ZA 3.0ch All-in-One Soundbar w/Dolby 5.1, DTS Virtual:X, Q Symphony, Built in Center Speaker, Adaptive Sound Lite, Bluetooth Multi Connection HW-S50B-CAll in one Everything you need in a single soundbar for holistic sound. The all in one system has 2 woofers and 3 tweeters built into its slender frame, so you can place it anywhere in the room to enjoy a pure audio experience. Dolby Digital 5. 1 DTS Virtual: X Dolby Atmos creates realistic 3D sound by projecting it from all around you, including from above, while DTS Virtual: X expands sound without needing to add additional speakers. Q Symphony