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

Typically, you would use an HDMI cable to connect a streaming device, laptop, or gaming console to a single display. But what if you want to show that same content on multiple TVs or monitors? That's ...

Using an HDMI splitter? Your 4K signal might be getting downgraded to 1080p without you realizing it. Here is how to fix resolution issues and avoid laggy video.