the sw0401-n073-000 is a 4 by 1 hdmi switcher, a perfect solution for managing multiple sources. it provides four inputs for direct connection of hdmi devices, which gives you a high performance connection between four sources and a sink without signal loss. simply pressing one button to select your desired hdmi source for display on the hdtv. the front panel indicators show the currently selected source. furthermore, 3d content can be displayed when connecting to a 3d sink and 3d source.