The 4k2k 4 by 4 hdmi matrix over cat5e67 supports the transmission of video resolutions up to 4k2k full hd multi channel digital audio from 4 hdmi sources to 4 outputs over a single cat5e67 cable up to 60m for each output it supports high resolution digital audio formats such as lpcm 71ch dolby truehd dolby digital plus and dts hd master audio as well as 3d content that can be displayed when connecting a 3d tv and 3d source this matrix features control via manual selection buttons