4 X HDMI Inputs, 4 x HDMI Outputs 4 x Digital De-Embedded SPIDF Audio Features HDCP2.2 4K x2K and 1080p, 3D, CEC pass through. HDMI 2 and HDCP 2.2 Compliant, Dolby Digital, DTS, DTS-HD. Fast switching for instant display, Advanced EDID management, GUI control. Built in LCD display. Front Panel, IR, RS232, and TCP/IP control with GUI