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No audio from product | Bose Bluetooth® audio adapter
Be sure the system is set up properly and all connections are secure.
A connection may have come loose or may be connected incorrectly. For more info, see Setting up your product.
Check the volume level of the sound playback device.
The playback device's volume might be off or too low. Make sure the volume of the playback device is set to an audible level.
Turn up the volume of the connected device.
Set the device volume to 90–100% to send a strong signal to your product. Then, use your product to adjust the volume level.
Be sure your product is within 33 feet (10 meters) of the Bluetooth device.
This range can be reduced by obstacles (e.g. walls, doors, appliances, wireless devices, etc.). Try moving the device and product closer together.
Reset your product.
Much like rebooting a smartphone, your product might need to be reset on occasion to correct minor issues. For more information, see Resetting your product.
Try a different app.
If the issue only occurs with a particular app, it is likely related to the app or app settings.
Determine if the issue occurs with another Bluetooth® device.
The source device currently paired to your product may be causing the issue. Try pairing a different Bluetooth source to see if the issue is isolated to that device.