TCL Q Q75H Class 5.1.2 Channel Sound Bar with Dolby Atmos, Ray Danz Technology, and Wireless Subwoofwer. Audio output channels: 5.1.2 channels, RMS rated power: 620 W, Audio decoders: DTS-HD Master Audio, DTS:X, Dolby Atmos, Dolby Digital Plus, Dolby MAT, Dolby Surround, Dolby TrueHD. Soundbar speaker RMS power: 30 W. Subwoofer type: Active subwoofer, Subwoofer connectivity: Wireless, Subwoofer RMS power: 100 W. Product colour: Titanium, Colour name: Dark titanium, High Dynamic Range (HDR) technology: Dolby Vision. Connectivity technology: Wired & Wireless, Bluetooth codec: A2DP, AVRCP, SBC, AAC, Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)