"HDMI 2.0 cable supports video resolutions up to 3840x2160 including HDMI 1.4 at 2560x1600, 2560x1440, 1920x1200, and 1080p; Premium High Speed HDMI cable supports surround sound audio support for ...

HDMI box splitters are usually either powered by an AC adapter or a USB plug. Cable splitters, on the other hand, don’t generally need outside power because they usually just split once.

You may need to search for a splitter with 4K 120Hz support, or else step your gaming down to 1080p. Likewise, if one of your outputs is an 8K TV, you'll probably want an 8K-ready splitter.

HDMI splitters let you run video from one device, such as a cable box, Apple TV, or PS5, to multiple screens. We found the best on Amazon, including options from J-tech Digital, Zettaguard ...

Using an HDMI splitter is fairly straightforward. You first need to connect your source device, be it your laptop, gaming console, or a streaming box, to the input port of the HDMI splitter.

In reviewing many product pages, I found a single ~$70 HDMI switch w/ RCA audio out that *claimed* to do what I wanted but was from a no-name brand on a no-name website; this was sketchy enough ...

It comes with an HDMI cable included and can accommodate up to 3 inputs. This ultra-compact switch needs no external power source and delivers 4K content at 30Hz with 12-bit color and supports ...

This splitter/switcher serves double duty as an HDMI switch for two sources — that means that you can switch between two content sources, or seamlessly split the game (single source) to play on two ...

Summary An HDMI splitter mirrors one input across multiple TVs and/or monitors. It's vital that any splitter support the resolution, audio, HDR, and framerate specs you need.