TCL Q Q85H Class 7.1.4 Channel Sound Bar with Dolby Atmos, Wireless Subwoofwer, and Wireless Surround Speakers. Audio output channels: 7.1.4 channels, RMS rated power: 510 W, Audio decoders: DTS-HD Master Audio, DTS:X, Dolby Atmos, Dolby Audio, Dolby Digital, Dolby Digital Plus, Dolby.... Soundbar speaker RMS power: 30 W, Woofer diameter (imperial): 20.3 cm (8"). Subwoofer type: Active subwoofer, Subwoofer connectivity: Wireless, Subwoofer RMS power: 180 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, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)