Bose TV Speaker Mode D'emploi page 17

Option 2: HDMI ARC (not provided)
1. Insert one end of the HDMI cable into your TV's HDMI ARC port.
NOTE: If you don't connect to your TV's HDMI ARC or Audio Return Channel port,
you won't hear audio from the speaker. If your TV doesn't have an HDMI
ARC port, connect your speaker using the provided optical cable
(see page 16).
2. Insert the other end of the cable into the HDMI IN port on the speaker.
SET UP TH E S P E AKE R
HDMI IN OPTICAL IN
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1 7 E N G
AUX IN USB BASS POWER