The Delivery and installation after 3 DaysOperating Power Consumption: 28 WSubwoofer Type: WirelessNumber of Channel: 3.1.2CHNumber of Speaker: 10Dolby: Dolby Digital Plus,ATMOSConnectivity: HDMI Out: 1 HDMI ARC WiFiBluetoothRemote ControlQ-SymphonyAirPlay2 , Chr..