Professional Four-channel Audio/Video Broadcasting Switcher

Interface
Video Input:HDMI IN x 4
Video Output:PGM x 1 / PVW x 1  / UVC x 1
Audio Input:MIC/Line level (XLR stereo) x 4
USB:USB x 1 for importing images, logos, firmware upgrades, etc. 
PC Control Interface:LAN x 1 for network streaming, PTZ camera control, software control