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Etymotic ER-20XS are the highly-awaited next generation of Etymotic's industry-leading ETY-Plugs High Fidelity Earplugs. They feature a low-profile, stem-less design that sits snugly in the outer ear without protruding. This makes it especially comfortable to wear under hats, helmets and other headgear.
Etymotic ER-20XS use a tuned resonator and acoustic resistor to replicate the natural response of the ear canal. This unique construction, combined with Etymotic’s proprietary sound path, reduces sound levels evenly across the frequency range without changing the sound quality. ER-20XS provide almost equal sound reduction of 20dB across the range of hearing.
ER-20XS earplugs come with a small, flexible pull tab that allows for easy removal, an easy-to-install neck cord and a carrying case. ER-20XS eartips are interchangeable and it can also be used with foam eartips with essentially no change in response.
Healthy hearing for a lifetime.
ER-20XS earplugs are discreet and have the identical response of ETY-Plugs through 4kHz. Above 4 kHz they have improved high-frequency clarity without compromising protection. ER-20XS lowers sound levels evenly so that music and speech are clear and natural, not muffled as with other earplugs.
With improved design including low-profile and stem-less housing, the ER-20XS reside snugly in the outer ear without sticking out. This makes them perfect for use under hats, helmets and other headgear. Delivery includes a small, flexible pull removal tab, an easy-to-install neck cord and a carrying case.
Two sizes of ER-20XS fit almost 100% of ear canals. Recent studies of both fit and seal, conducted at Etymotic Research and an independent lab, showed that the smaller of the two sizes fits the majority of ears and is now designated as standard fit.
ER-20XS earplugs are reusable, however with repeated use the eartips may lose elasticity. For best performance and retention, if you use ER-20XS earplugs constantly, the eartips are best replaced every 3-6 months.
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