Features: Support 4 x HDMI2.1 signal inputs (DVD-player, Blu-ray-player, network- player, set-top box, PS-4, PS-5, Xbox360, PC, etc.) 2 x HDMI2.1 signal outputs (TV, HD-display, projector, etc.). It c more→an easily switch five high-definition signal sources to two high-definition displays or projectors. Optical fiber signals and one stereo- can be synchronously separated and connected to the audio system- to obtain high-quality audio signals. Support Dolby-HD/DTS-HD-/Dolby-Atoms/Dolby-AC3/DTS-/LPCM Etc Support 4-way HDMI2.1 8K input port; Support 2-way HDMI2.1-8K output port Support 1 channel optical fiber digital audio output port;Support 1 channel RCA-stereo audio output port