8K HDMI 1 input into 4 output Splitter with Audio Extractor through Optical Or Analog. This Device will not extract Audio through HDMI. NOTE: WILL NOT DOWNSCALE. All 4 output will have to support 8K. 8K 1x2 Splitter is compatible with all operating system such as Windows, Mac OS, Linux. Also works perfectly with Logitech Harmony, Xbox, one X, PS5 , Roku 4, Amazon Fire TV, Blu-ray players, Projector, NVDIA Shield etc. Does NOT support Sonos-ARC/e-ARC. Supported resolution: up to 8K, 4K/120Hz, 1080p, 720p, HDR, HDR10, HDR10+ Dolby Vision, HLG Pass Through. Supports HDMI Audio Formats: LPCM, Dolby Digital / Plus/EX, Dolby True HD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD. 1 IN 4 OUT HDMI SPLITTER - Smart EDID management, This HDMI splitter designed with 1 input ports and 4 output port, easy to access. Includes - 1x4 8K Switcher, Power Adapter, Operation Manual, 1 Year Warranty, Full OREI Support