In 2017, HDMI 2.1 introduced eARC, which added support for high-end surround sound such as Dolby Atmos and DTS:X. eARC also supports variable refresh rate (VRR), quick media switching (QMS ...

In theory, this technology should be akin to an invisible pair of headphones, though I haven ... There's just one HDMI port on this puppy, as the user is expected to plug in via USB-C.