Low audio | Bose QuietComfort 45 headphones
If in wired mode, press the Volume + button on the headset
Note: If the headphones are powered off or the battery is depleted, the headphone's volume control is disabled. Use the connected device's volume instead.
Determine if the problem is specifically related to bass performance.
If there is too little bass, see Too little bass or too much treble from product.
If there is too much bass, see Too much bass or too little treble from product.
Reset your product.
Try a different app.
Try playing different types of media.
If connected, bypass any adapters or extension cables.
Check the condition of the headphone cable.
If the plug or any part of the cable is damaged, replace the headphone cable.