Monoprice 108156 Matrix HDMI Switch and Splitter Why make everyone at your football party crowd around one or two HDMI displays? You can run up to four High Speed displays with this Monoprice Switch/Splitter This device has two HDMI inputs and four HDMI outputs so you can switch between two input source devices and send the signal simultaneously to four displays The unit also has a built in automatically adjusting amplifier. This means that you can use longer than normal HDMI cables running to the inputs