Sony BRAVIA Theatre Bar 9 Help Manual page 40

For the supported audio formats, refer to "Related Topic."
There are three tactile dots that are about 1 mm in size next to the HDMI OUT (TV (eARC/ARC)) jack. Use them as a guide
during connection.
Related Topic
Connecting to a TV
Playing 360 Reality Audio Content from the Connected AV Device
Supported audio formats
Supported HDMI Video Formats
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