HDMI ARC vs eARC: enhanced audio return channel explained

HDMI ARC – and it’s latest evolution, HDMI eARC – are both key audio technologies for today’s best TVs, but you’d be forgiven for not knowing what those succession of letters actually mean.

It’s all to do with the audio output of your television and how it connects to external soundbars and sound systems. So if you’re happy with your tinny 10W built-in speakers (or have one of the best TVs for sound) then you probably needn’t read on any further. However, if you ever plan on connecting any external audio equipment, it’s good to keep abreast of the inputs and technologies that allow you to do it well.

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