"General Feature Number of Channel : 11.1.4 Number of Speaker : 22 Color : Graphite Black Speaker Center Speaker : Yes Up-firing Speaker : Yes Front Wide-firing Speaker : Yes Side-firing Speaker : Yes Wireless Subwoofer Included : Yes Wireless Rear Speaker Included : Yes Audio Feature Active Voice Amplifier : Yes SpaceFit Sound : Yes Dolby : ATMOS Music.ATMOS.Dolby 5.1ch.Dolby Digital Plus.Dolby True HD Voice Enhance Mode : Yes Night Mode : Yes Sound Modes : Surround Sound expansion. Game Pro. Standard. Adaptive LPCM : Multi channel Connectivity HDMI In : 2 HDMI Out : 1 HDMI ARC : Yes(eARC) HDMI CEC : Yes Optical In : 1 Bluetooth : Yes Wi-Fi : Yes One Control : Yes Bluetooth Version : 5.2 Special Feature SmartThings App : Yes Q-Symphony : Yes Multi Position Rear Speaker : Yes Tap Sound : Yes Chromecast : Yes Spotify Connect : Yes AirPlay : Yes Wireless Dolby ATMOS : Yes Roon Service : Roon Tested Power Stand-by Power Consumption (Main) : 0.5W Stand-by Power Consumption (Rear) : 0.5W(Lch)/0.5W(Rch) Stand-by Power Consumption (Subwoofer) : 0.5W Operating Power Consumption (Main) : 41W Operating Power Consumption (Rear) : 19W(Lch)/19W(Rch) Operating Power Consumption (Subwoofer) : 26W Free Voltage : Yes"