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Too little bass or too much treble from product | QuietComfort® 25 Acoustic Noise Cancelling headphones
If the sound lacks bass or has too much treble:
Try the following:
Adjust bass and treble controls on the source.
Sound quality may suffer if bass and treble controls are set to extreme levels. Try adjusting the controls to mid-range levels; this may improve sound quality. Be sure to turn off both audio enhancements and special equalizer settings found on the source
Try connecting a different audio device.
If available, connect another audio device using the same cables and connections to determine if the issue is related to the first device or its settings.
Try a different app.
If the issue only occurs with a particular app, it is likely related to the app or app settings.
Remove the device from its case or protective sleeve (if applicable).
If a case or protective sleeve is on your device, try removing it to determine if it is preventing the headphones plug from making a full connection.
Remove the device from any case or protective sleeve.
A case or sleeve may prevent the headphone connector from seating properly in the device. Removing the case will allow a proper connection.
Be sure the headphone openings are clean and free of debris.
Check for blockages in the headphone mesh grille and headphone opening. Excessive debris can result in low audio, poor sound quality or missing audio channels.
If connected, bypass any adapters or extension cables.
If your product connects to the device using an extension cable or adapter, disconnect the extension cable or adapter to determine if the issue is related to it.
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