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Headphone screech- what's happening? This morning, while listening to music, they suddenly started blasting this high pitched noise in the cup of the right ear. If anything loud plays or if something
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Earphone cracked open, noise cancelling makes high pitch sound now. - Bose Quietcomfort 20i - iFixit
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Skullcandy Unveils Crusher ANC 2 Headphones Combining Haptics with Active Noise Canceling | audioXpress
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