His 4-port 1x4 hdmi splitter (hdmi amplifier) receives signal from 1 hd source and outputs to 4 hdtvs/monitors. you can connect any hdmi source to this splitter, such as your: 1) blu-ray, hd-dvd, or dvd player; 2) ps3, xbox360 or wii with hdmi output; 3) laptop or desktop computers with hdmi output; 4) hd video cameras; 5) hdtv boxes, hd pvr, hd recorders. this hdmi video splitter then connects to 4 hdtvs/monitors, so you can see the video on 4 screens at the same time. it supports hdmi v1.3, and it's enhanced to support all 3d functions.