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No audio from product | Bose QuietComfort 45 headphones
Check the product turns on
When you turn on the headphones, you should hear a tone and, if enabled, a voice prompt announcing the battery level.
If you hear nothing, the headphones might not be turning on. Refer to Product will not turn on for help.
If you hear nothing, the headphones might not be turning on. Refer to Product will not turn on for help.
Inspect the Headphone Cable
If using the headphones with a wired connection:
- Check for damage: If the cable or plug is damaged, replace it.
- Avoid adapters or extensions: Connect the cable directly to your device to rule out issues with adapters or extension cables.
Check the Bluetooth Connection
The headphones should announce the device they’re connecting to and confirm the connection.
If no connection is made:
Try connecting to another device. If the headphones work, the issue might be with your original device.
Note: Bluetooth® operation is disabled while charging. Disconnect the USB cable or use the supplied audio cable instead.
If no connection is made:
- Ensure Bluetooth is enabled on your device.
- Reconnect the headphones. Refer to Cannot connect a Bluetooth® device.
Try connecting to another device. If the headphones work, the issue might be with your original device.
Note: Bluetooth® operation is disabled while charging. Disconnect the USB cable or use the supplied audio cable instead.
Check the volume on the source device
Ensure the volume on your device is turned up.
- If using the audio cable, press Volume + on the headphones to increase the volume.
- If the headphones are off or out of battery, adjust the volume directly from your device.
Reset your devices
Reset your headphones.
- Connect a USB charging cable to the right earcup.
- Slide and hold the Power/Bluetooth switch to the right while plugging the other end of the cable into a wall charger.
- Release the switch to reset.
- Turn it off and back on.
Clear the Bluetooth Pairing
On the headphones:
- Power them on.
- Slide and hold the Power/Bluetooth switch to the right for 15 seconds until you hear, “Bluetooth device list cleared. Ready to connect.”
- Remove the headphones from its Bluetooth list (including duplicates labeled "LE") and reconnect. Refer to Connecting a Bluetooth® device.