Octava HDMXA71-4 X 2 Hdmi Matrix Switch with Optical and 7.1 Analog DAC Output . USB Port for Edid Management(HDMXA71) 4 HDMI inputs, 2 HDMI outputs. Fast switching Optical audio (Toslink) and 7.1 Analog Audio DAC outputs 1080P, 4k UHD @ 3840x2160@24 Hz EDID Management, LAN(telnet) port + RS-232 port for control system integration 1 RU rack mount, remote control included