The 2.0 HDMI Matrix 4x4 can connect four HDMI signal sources with the four displays at the same time.It can easily and freely split or switch four hdmi signals on four displays or projectors which compatible with hdmi signal. Extra infrared receiver extension, IR emitter,RS232 are supplied for remote control.HDMI matrix 4x4 has the ability of equalization and amplification to ensure HDMI signal's transmission through long cable without quality loss.This HDMI matrix offers solutions for digital entertainment center, HDTV retail and show site, HDTV, STB, DVD and projector factory, noise, space and security concerns, data center control, information distribution, conference r ntation, school and corporate training environments.