The 4x4 HDMI Matrix Switcher routes high definition video in multiple resolutions up to 1080p plus multi-channel digital audio from any of the four HDMI sources to the displays. Four outputs give you the choices of sending high definition audio and video signals up to four displays in any combinations. Any four to any four true matrix switching allows for maximum versatility for integrated systems. The 4-4 HDMI Matrix Router eliminates the need to disconnect and reconnect sources to a display equipped with one input.