The 18Gbps 2x2 HDMI Matrix switcher supports the transmission of video signals (up to 4K2K@50/60Hz YCbCr 4:4:4) from two HDMI sources to two HDMI displays simultaneously. This product supports audio extraction from output A to optical and analog output. It supports three modes of EDID setting (AUTO, COPY, and STD). Flexible control via panel buttons and IR remote; the corresponding LED indicator on the front panel will be illuminated.