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A comment on Just Wear Headphones. Parent comment

Re:Just Wear Headphones by blub on Tuesday June 23, 2015 @08:29AM (#9764166)
Any comments on Peltor X4A? They are much thinner, but only reduce 27dB. Strangely in Europe they claim 33dB.
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Re:Just Wear Headphones by JonnieCache on Tuesday June 23, 2015 @10:49AM (#9764951)
>Strangely in Europe they claim 33dB.

The standards of measurement are likely different. Measuring "volume" (sound pressure level) is a very tricky business.

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