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Bought Skullcandy 50/50, connected to my laptop and noticed "laser" like or circular saw cutting like sounds that can be hardly heard. I muted everything and still hear them. This happens only with Skullcandy 50/50 but not on iLuv or ZAGG smartbudds.

What causes these sounds?

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And do you hear those on any other device? Like, take an MP3 player, another computer, a TV, anything. – slhck Jul 30 '11 at 22:19
It does not happen with smartphone and MP3 player. It happens with laptop and LCD TV. – Boris_yo Jul 31 '11 at 11:56

If you have a MacBook Pro, this site may help you: Background hiss and noise when using earbuds on MacBook Pro

I have the same problem with ALL of my skullcandy headphones (I've tried a few) but none of the headphones from Sony have this problem. The solution mentioned on the linked site didn't work for me but maybe it'll work for you.

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