Experience the ultimate 3D sound from Dolby Atmos using its object based audio formats for all sorts of content including movie and music, without HDMI cables. Sound heard from all angles with the added side firing channel at each rear Speaker. The Soundbar's 11 channels, 1 subwoofer channel, and 4 up firing channels envelop you in an immersive experience. Q Symphony is one of the Samsung exclusive technologies. It enables both TV speakers and Soundbar to work simultaneously, creating the ultimate sound synergy.