The 2 x 4 HDMI 2.0 switch splitter can connect 2 hd signal sources to 4 hd display terminals.It can easily split the 2 hd signals generated by the 2 hd signal sources to 4 hd displayers or projectors.In addition, when connect it to a HDMI output cable, it can amplify the HDMI singal. The 2 signal sources can be switched freely.The HDMI splitter can support all hd multichannel audio formats including 720p, 1080i, 1080p,2160p@30Hz,2160p@60Hz. It also supports the 3.5 mm audio output and SPDIF audio output.