<p>Pair of 'Aearo' musician's earplugs on blue background. 20 dB flat attenuation over audio band.
</p>
Taken Light current 21 May 2006
<a href="https://en.wikipedia.org/wiki/User:Light_current" class="extiw" title="w:User:Light current">w:User:Light current</a>
CC BY 2.5
<a class="external free" href="https://en.wikipedia.org/wiki/Image:Musicians_earplugs.jpg">http://en.wikipedia.org/wiki/Image:Musicians_earplugs.jpg</a>