3-Port HDMI Switch Splitter Cable Switch the input source conveniently with the 3-Port HDMI Switch Splitter Cable. Connect up to 3 HDMI devices to just 1 HDMI port on your HDTV or monitor. It provides uncompromised audio and video quality, so you can count on it for a crystal-clear picture and immersive sound experience. And because it is backwards-compatible with all your existing devices, you can quickly transfer data like movies, music, and games between your device and TV or monitor. With its power adapter-free design, this cable makes switching inputs hassle-free. HDMI 3 in 1 out and Easy Operation 3-port HDMI splitter cable allows you to connect 3 HDMI sources to 1 HDMI sink, such as an HDTV, monitor or projector. Plus, it makes switching between three HDMI sources easy, as no external power supply is required.