SYMPTOM
Poor sound quality
No sound from a
device connected by
the audio cable
Poor sound quality from
a device connected by
audio cable
Audio cable microphone
doesn't work
Action button doesn't
change the noise
cancelling mode
Headphones don't
respond
Poor noise cancellation
TROU B LE S HO OT ING
SOLUTION
If in a windy environment, create a custom mode with wind
blocking enabled in the Bose Music app. To access this option,
tap Modes on the main screen (see page 20).
Make sure you're using the Bose Music app for setup
(see page 11).
Play audio from a different application or music service.
Play audio from content stored directly on your device.
If two mobile devices are connected, disconnect the
second device.
Turn off any audio enhancement features on the device or
music app.
Visit support.Bose.com/QC
support.Bose.com/QC to see how-to videos.
Reset the headphones (see page 40).
Make sure both ends of the audio cable are securely connected
into the ports (see page 30).
Press play on your source device to make sure audio is playing.
Play audio from a different application or music service.
Play audio from content stored directly on your source device.
Increase the volume on the headphones, then increase the
volume on your source device.
Restart your source device.
Make sure both ends of the audio cable are securely connected
into the ports (see page 30).
Restart your source device.
Make sure your mobile device is compatible with the audio cable
(CTIA standard pin connection). Refer to your source device
owner's guide.
If the audio cable is connected, disconnect the cable.
Use the Bose Music app to change the mode. To access this
option, tap Modes on the main screen.
Reset the headphones (see page 40).
Check the mode (see page 20).
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