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Too much bass or too little treble from product | Custom QC®15 noise cancelling headphones
If the sound lacks treble or has too much bass:
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 a different audio cable.
Two audio cables were included with your headphones. Connect your headphones to the same audio device with both cables to determine if the issue is one of the cables.
Try a different app.
If the issue only occurs with a particular app, it is likely related to the app or app settings.
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.
