At a minimum, eARC requires that both an audio device and its connected HDMI port support HDMI 2.1. If you're unsure, check your audio gear's specifications, and connect it to the port marked "eARC" ...
A thing to note here is that HDMI 2.2 will be backwards compatible. So, a future gadget with an HDMI 2.2 port will be able to connect to older devices with an HDMI 2.1 port or through an HDMI 2.1 ...
There are legacy options you may be more familiar with, like a digital optical or TosLink cable, but the same HDMI cable that you use to connect your OLED, QLED, or LED-powered screen to your ...
The new specification will be made available to manufacturers in the first half of this year. So hopefully we will see devices using it before too long. But don't expect a rapid uptake; HDMI 2.1 was ...