HDMI 2.0b and HDCP 2.2/HDCP 1.4 compliant Video resolution up to 4K@50/60Hz (4:4:4) Audio de-embedding from HDMI signal source to optical Analog audio output ports Signal pass-through and video downscale (4K->1080P) functions through the dial switch on the panel EDID management with two modes: COPY and AUTO for simple and convenient control. Analog audio PCM 2.0 Optical audio pass-through formats - LPCM 2.0/2.1/5.1CH, Dolby 5.1, Dolby True HD, Dolby DD+, DTS 5.1, DTS-ES 6/DTS-HDMA 5.1, DTS HD-HRA 5.1 Audio Extraction through 3.5mm Compact design for easy and flexible installation.