This HDMI switcher allows you to select the image on a screen between 4 different devices. The 4 HDMI inputs support resolutions up to 4K and 7.1 surround sound. This audio coming from HDMI can be extracted through HDMI, TOSLINK, Coaxial or Stereo Jack or returned by HDMI using ARC. Specifications: - Remote and manual control - Automatic selection when turning on the device - Simultaneous output of all audio extraction channels - Resolutions up to 4K@60Hz 4:4:4 - Bandwidth: 600MHz/6Gbps per channel (18Gbps total) - 12bit color depth per channel - HDCP 2.2 - LPCM 7.1 - DTS, Dolby Digital (including DTS-HD Master Audio and Dolby TrueHD) - ARC The box includes: 1x Splitter 4x1 + HDMI, Stereo Jack, Coaxial, TOSLINK 1x Remote control with CR2025 battery 1x Power Supply 5V/1A 5W – Connector Type D 5.5/2.1mm