The OREI UHD-404 4x4 switcher is perfect for splitting, switching your HDMI signal to 4 different display. This matrix has 4 HDMI inputs and 4 HDMI outputs, so you can switch between 4 input source devices and send the signal simultaneously to 4 displays. This HDMI Matrix supports the transmission of the video signal (up to 4K2K@60Hz YCbCr 4:4:4) with multichannel digital audio from up to four high definition sources to up to four HDMI outputs. In this switcher, each output supports downscale functionality. It can display the same or different screen on 4 displays (the user can choose the display screen for any signal source). No setup or special configuration is required, simply connect the input device(s) and output device(s) and start using it. HDMI Audio Formats: Supports up to 7.1-channel audio, Dolby Digital, DTS Digital, Dolby TrueHD, and DTS-HD Master audio formats.