How useful an HDMI splitter can be is well known by users who like to transform the living room into a real multimedia base.The Ugreen one, with 8K support, costs just 30 euros, by clicking directly to this address.First of all, let's try to understand what an HDMI splitter is, and what it is for.It is a small box to which you can connect two different HDMI devices, all by engaging a single HDMI port behind the TV.It is, therefore, a very useful device to save HDMI ports, perhaps for those TVs that offer few, or only one.In this way, you will be able to connect multiple devices, such as game consoles, decoders or the like, without having to connect and disconnect the respective cables from the TV.The Ugreen box allows you to connect 2 HDMI, therefore two different devices, changing sources only by pressing a button, the one located above the box itself.Obviously, the box does not lose resolution and quality to the connected sources, supporting resolutions up to 8K, or 4K resolutions at 144 Hz. It supports LPCM, PCM, DTS, DSD, Dolby AC / 2.0 / 5.1 / 7.1 and bit rates up to 48 Gbps.HDMI 2.1 inputs support Dolby Vision and Dolby Audio, as well as 3D and HDR formats.The box supports the CEC function, for joining and automatically turning off the TV when the connected peripherals are turned on / off.In addition, it is compatible with VRR, AMD Free-Sync and G-Sync formats.It is also possible to buy from the same page a version with maximum support 4K at 60 Hz or 1080p at 120 Hz, which costs just 20 euros.Both versions are compatible with notebooks, Nintendo, Sony and Microsoft consoles, as well as with Apple TV and Android TV box.The HDMI Green splitter can be purchased directly at this address in the 4K variant for 20 euros, or in the 8K version for 30 euros.