The Gefen EXT-HDMI-242 switcher routes high definition video in multiple resolutions up to 1080p plus multichannel digital audio from two sources. Inputs accommodate the simultaneous connection of up to two high definition video sources, such as satellite systems and HD DVD players. Outputs send the high definition audio/video signals of up to two high definition displays. A digital audio output port is available if you need to direct the audio to an audio receiver.