Product description:1. The HDMI one-to-four splitter allows the signal source of one HDMI input port to distribute four synchronization signals to four HDMI ports, and output the same high-definition audio and video.2. The HDMI one-to-four splitter can distribute the HDMI signal sources of set-top boxes, DVD players, D-VHS players and other HDTV devices into four consistent and synchronized HDMI signal outputs. Users can output and connect the signal to high-definition projectors, DLP, LCD high-definition televisions and other devices for simultaneous display.