Info:HDMI-eARC

HDMI eAudio Return Channel is the audio returned from the same HDMI cable feeding A/V to the television.

• This is an updated verison of ARC that supports addtional Audio formats to HDMI. This is currently only supported Klimax DSM (2020 variant).
  
• eARC can have an inbuilt Ethernet connection, but this is NOT used on the Linn DS/DSM.

• Some Manufacturers TV may need CEC enabled

HDMI cables that worked with HDMI-ARC may not work with HDMI-eARC. Linn recommend using Premium High Speed Certifiied HDMI cables for an optimal experience.