HDMI splitter with 2 inputs and 2 outputs. Support 4K60Hz (4:4:4) HDCP2.2/1.4 compliant Supports HDR10 Supports video downscale that displays 4K video in full HD (Even if you combine a TV or display with two different resolutions, 4K display can display 4K video, Full HD display can downscale 4K footage) Dolby Atmos, Dolby TrueHD, etc. There is no audio downsampling function. Please use a Premium HDMI cable to connect this product. This product cannot be used with multiple devices.