Ravtron 2 x 4 HDMI Switcher/Splitter can connect 2 HD Signal Source to 4 Display terminals. It can easily split 2 HD Signals generated by the 2 HD signal source to 4 HD displays or projectors. In addition, when connect it to a HDMI output cable, it can amplify the HDMI signal. The 2 signal sources can be switched freely. The HDMI splitter can support all HD Multichannel audio formats including 720p, 1080i, 1080p, 2160p, 3,840 @60Hz. It also support the 3.5mm audio output and SPDIF audio output.