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The Etymotic ER 20 earplug designed for musicians and music lovers to enable you to listen without the pain. The ER 20 design concept was the same as it's Custom Musicians Earplugs, to reduce noise but preserve sound quality, in effect, to turn down the volume but not muffle or distort the acoustics, environmental sounds or the fequency response of music. ER 20s use a patented tuned resonator and acoustic resistor that replicate the natural response of the open ear so that sound heard with these earplugs is as clear as the original, just quieter. The ER 20s are one of the highest fidelity ready-fit earplugs available and will reduce sound by 20dB protecting your hearing from the effects of tinnitus in later life. The ER20's come complete with a lanyard and carry case.
BrochureCopyright Etymotic Research Inc
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