Explore the depths of sound with Dolby Atmos and DTS:X , technology that highlights sound as it flows above and around you. With 3 channels, 1 subwoofer channel, and 2 up firing channels, 3.1.2ch sound creates a complete audio environment for a captivating entertainment 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. Now compatible with more Samsung TV models. Automatically enhances voice clarity on low volumes. Actively optimizes sound depending on content.