【8K Image Quality Output】This is an HDMI 2.1 switcher that supports 4 inputs and 1 output, with 8K@60Hz, 4K@120Hz, and high-speed 48Gbps video bandwidth. It also supports CEC linkage for all HDMI interfaces, as well as HDR10, HDR10+, Dolby Vision, and 3D. Our HDMI switcher delivers stunning image and sound quality.