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Etymotic ER20 Musicians Earplugs

Etymotic ER20 Musicians Earplugs

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Etymotic ER20 Musicians Earplugs

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General Description:

ETY•Plugs™ are the world’s highest fidelity non-custom earplugs. They reduce most noise to safe levels while preserving the clarity of speech and the richness of music. ETY•Plugs are configured to replicate the natural response of the ear canal so that when sound enters the earplug, it is reproduced unchanged, exactly the same as the ear would hear it, only quieter.

BenefitsReduces sound levels evenly so that music and speech are clear and natural, not muffled as with other earplugsReduces risk of hearing damage for many noisy occupations as well as noisy venues, such as airshows, parades, athletic events and motor sportsEnhances the music experience for audiences while protecting hearingLets musicians hear their own instrument and their blend with othersHearing loss is a function of exposure time, the average sound level, and the peak level of very loud sounds. Exposure to excessive noise from industrial machinery, heavy construction equipment and vehicles, power tools, aircraft, gunfire, motorcycle and auto race tracks, dental drills, sporting events, fireworks, rock concerts, marching bands, and music from a player's own instrument or nearby instruments can cause hearing loss depending on the intensity and duration of the noise. Some persons are more susceptible to hearing loss from high-level sound than others.

Some workers obviously need high-attenuation earplugs. Shipbuilders, flight crew who stand behind jet aircraft on the flight deck, and army tank operators usually fall in this category. Such individuals can't get enough attenuation for proper protection even with plugs and earmuffs combined. But, many industrial workers can be adequately protected with as little as 10 dB of attenuation: the majority of eight-hour equivalent noise exposures fall between 85 and 95 dB. Some of these workers receive earplugs that provide too much attenuation, and as a result they do not insert them deeply in their ears because they can not hear speech clearly enough. These persons risk hearing damage, but have compromised so they have auditory awareness of sounds around them.

The cochlea has two types of hair cells, inner and outer. The outer hair cells appear to provide the ear's sensitivity to hear quiet sounds. Inner hair cells appear to provide all the information to the brain. It has been suggested that high-intensity noise causes extensive damage to the inner and outer hair cells; long-term lower-level noise causing the same audiometric loss may show predominately outerhair cell loss. What this implies is that the type of noise exposure may determine the severity of future communication problems.

Tinnitus (ringing in the ears) and temporary hearing loss can occur from a single concert, sporting event or sudden loud noise like a firecracker. In rare cases, permanent hearing loss results from such auditory insults. Even if a temporary hearing loss recovers over a period of hours to days, there is a risk that repeated exposure to loud noise will result in permanent hearing loss.
It is important that hearing protection is carefully selected for each individual, based on the intensity level, duration, and type of noise exposure.

Technical Specification:

Reduces sound approximately 20 dB at all frequencies

Additional Information

Manufacturer N/A

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