This is when you need an HDMI switch, a splitter, or both

A splitter allows a single peripheral to output to multiple displays.

Is there a difference between an HDMI splitter and HDMI switch?

Whether you need an HDMI splitter or an HDMI switch depends on if you want to connect your device to multiple TVs, or ...
Chicago Tribune

The best HDMI splitter

An HDMI splitter allows you to display a video signal from a single source on multiple video components. For example, if you want to use a laptop computer to display a PowerPoint presentation on ...
Morning Overview on MSN

Will an HDMI splitter blur your screen? Here’s the truth

Home theater fans tend to treat picture quality as sacred, so the idea of inserting an extra gadget between a console and a ...