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What Hi-Fi?
What Hi-Fi?
Technology
Andy Madden

DARK SECRETS: Hdmi arc and hdmi earc everything you need to know - The Real Truth

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The connections at the rear of a soundbar, including three HDMI sockets, one of which is labelled 'TV ARC'.

In brief

  • HDMI ARC (Audio Return Channel) and eARC remove the need for a separate audio cable when sending sound from a TV to a compatible soundbar or AV receiver. For more, see what is HDMI ARC?
  • HDMI eARC (Enhanced Audio Return Channel) enables uncompressed audio.
  • Not all HDMI ARC/eARC-enabled TVs support all audio codecs, so check before you buy.
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