The 1:4 HDMI Distribution Amplifier is the perfect solution for anyone needing to send one source of digital high definition video to multiple displays similtaiously. It supports all HDMI equipment, such as DVD players, satellite set top boxes, and all HDMI displays. In operation, the digital video source is connected to the input side of the splitter and the output is connected to the displays. Once the unit is connected and powered, your source is routed to as many as four digital displays at the same time.