The more expensive ProGuard Pro Musician Earsonics make use of a passive filter with a loudness curve to make the world sound more natural, since the ear is less sensitive to highs and lows at low volumes.
We've got a pair of Earsonics (worth £172), two pairs of Silicon Music (worth £120) and three pairs of Alpine Music Safe Pro (£15.95) earplugs to give away.
To be in with a chance of winning, send an email to [email protected] simply telling us what the Music earplugs are made from.
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