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LG S77TY Smart Soundbar, 400W, 3.1.3 Channels, Hi-Res Audio, Dolby Vision, HDMI, Smart Up Mixer, Dolby Atmos / DTS, Black; Product description LG S77TY Intelligent Soundbar, 400W Power, 3.1.3 Channels, Hi-Res Audio, Dolby Vision, HDMI, Smart Up Mixer, Dolby Atmos / Dts, Black; Product description LG S77TY Intelligent Soundbar, 400W Power, 3.1.3 Channels, Hi-Res Audio, Dolby Vision, HDMI, Smart Up Mixer, Dolby Atmos / Dts, Black; LG S77TY Intelligent Soundbar, 400W Power, 3.1.3 Channels, Hi-Res Audio, Dolby Vision, HDMI, Smart Up Mixer, Dolby Atmos / Dts, Black