User Guide
Page 7
... both ears Push connector in noisy places. From outside the United States, call Bose® customer service at 1-888-865-2700. Problem Troubleshooting Possible Cause Solution Distorted Audio ports bass blocked Clear ports Distorted bass Too much bass Source material Bass boost from audio source turned on the QuietComfort Acoustic Noise Cancelling headphones, contact Bose Corporation...
... both ears Push connector in noisy places. From outside the United States, call Bose® customer service at 1-888-865-2700. Problem Troubleshooting Possible Cause Solution Distorted Audio ports bass blocked Clear ports Distorted bass Too much bass Source material Bass boost from audio source turned on the QuietComfort Acoustic Noise Cancelling headphones, contact Bose Corporation...