The DigitaLinx DL-S42-H2 is a simple 4x2 HDMI 2.0 matrix switcher that features four HDMI inputs and two HDMI outputs with HDCP 2.2 support and capable of handling resolutions up 4K@60Hz 4:4:4 / 8 bit color with static and dynamic HDR output support. The DL-S42-H2 supports digital optical audio de-embedding from both outputs and analog audio de-embedding from output 1. The switcher also supports Audio Return Channel (ARC) on output 2, the digital optical audio on output 2 can be configured manually to either pass the HDMI audio stream from the routed HDMI input or from the HDMI / ARC audio stream from the connected TV. Each output port supports auto down scaling from 4K to 1080P independently. The DL-S42-H2 can be controlled via front panel buttons, IR remote, API commands using RS232 or Ethernet. A web server / GUI is built in that features A/V switching control, automatic display control and input EDID management.