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When they did work, they had a very annoying (although faint) high-pitched tinny sound whilst being used
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The left side is making consistent crackling sounds and occasional high-pitched static sounds
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Cut to a high pitch noise that almost blew out my eardrums in the middle of my workout.
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The second time I used the heads phone - after about an hour of use - there was an incredibly loud, high pitched, metallic screeching noise that did not stop until I turned the headphones off
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It just tells me that the B&W PX's are not as impressive as I