5x1 HDMI 2.0 Switcher, 18Gbps 4K 60Hz HDR, HDCP 2.2/1.4, ARC retrun on Toslink, Audio extraction via RCA and Toslink, Audio Embedded via AUX or Toslink, 2ch/ 5ch/ Auto EDID Audio, Micro USB F/W update, Metal housing, Remote control