Features ●4-channel 4K*2K full HD HDMI signal output ●Support 3D video signal (1080P) ●Support 12-bit deep color ●Support audio format-LCPM 7.1, and other uncompressed audio formats, such as Dolby True HD, DTS-master,etc ●Support 4-channel EDID management, ensure maximum compatibility of video sources and display terminals ●Industrial metal case, easy to install ●UL, CCC, CE, FCC compliance