The HDMI splitter from Zettaguard can handle a maximum resolution of 4K at 30Hz and is compatible with Dolby Audio. This kit comes with a combined HDMI extender/splitter that distributes 1x HDMI identical signal to 4x receivers via a network cable. so it should be suitable for Sky Q), as well as Dolby Atmos and several other advanced audio formats (though the splitter is just a pass-through – you still need a device that can interpret these audio signals). They even do a model that will dispense with HDMI and output over ethernet too, which is sometimes used in commercial settings. Splitters with more outputs are primarily for business and commercial use, where one source needs to be sent to multiple TVs or projectors.

HDMI specifications, supporting resolutions up 4K30/ 4K50/60 4:2:0, High definition digital audio forma.It supports 4K at 30Hz, which is good for most uses, except for 4K gaming – so it’s not a good fit for the PS4 Pro or PS5. Just remember that the streams will be identical, so both TVs will show the same content coming from the same media device).

The two main options are HD, which is a little cheaper, and 4K, also known as ultra HD, which gives a sharper picture. So if you’re planning to split one source into two screens – one in your living room and one in your bedroom – you should first consider how far that bedroom is. If you have a lot of HDMI-equipped source devices, such as an upscaling DVD/Blu-ray/Ultra HD Blu-ray player, cable/satellite box, media streamer, and game console that all need to be connected to your TV, there may not be enough HDMI inputs, but don't panic.Some HDMI splitters also have a built-in HDMI Switcher, so if you plan to send the signal from two media devices (a streamer and a DVD player, for example) to two screens, you should look for a combined product that has at least two input ports, in addition to the two output ports (The TESmart 4K Switcher/Splitter fits that bill).