This 4x2HIFI HDMI matrix access to four HDMI sinks with stereo audio output, using four HDMI sources. The matrix allows four HDMI devices to be switched or split easily to two HDMI compatible monitors or projectors. One of the HDMI outputs is with audio output by SPDIF or by 3.5mm Stereo Audio output. The Matrix can also be placed at the end of a long HDMI cable to regenerate the HDMI signal.