The KanexPro HDMX42A-18G is an easy to use, cost-effective 4K/60Hz with 4:4:4, 16-bit Deep Color, HDR (High Dynamic Range) and HD audio formats. Designed with 4-inputs and 2-outputs the matrix can extract the audio from any of the sources and outputs via optical Toslink or analog 2 Channel audio formats. The powerful matrix can downscale 4K sources to 1080p displays allowing for the unit to be integrated in mixed 4K and 1080p systems with no loss of quality to the 4K display. The HDMX42A-18G is ideal for swift switching and routing of any HDMI sources such as laptops, Blu-ray players, and 4K based Apple TV to any four displays. This matrix switcher is HDCP 2.2 compliant and supports 4K@60Hz, 4:4:4 video. It can be controlled via front panel buttons, IR remote and RS232 commands.Industry Standard HDCP 2.2 & 4K/60HDCP 2.2 authentication is present always on this matrix ensuring proper handshake of the protected content. It also maintains resolutions up to 4K- 4096x2160@24, 30, 50 or 60Hz, 3840x2160@24, 25,30, 50 or 60Hz and 2560x1080@60Hz displaying 21:9 aspect ratios. 1920 x 1200 or full HD 1080p/60 is a standard for all our matrix switchers.