Ready-Fit Earplugs
Low cost
Ready-fit
Replicates the ear's natural response
Sound quality is preserved
Speech is clear, not muffled
Reduces sound approximately 20 dB at all frequencies
ER.20 High Fidelity Earplugs were developed to provide low-cost, one-size-fits-most high fidelity earplugs that can be used in a variety of noisy environments.
The goal of the ER.20 design was the same as for Musicians Earplugs: to reduce noise but preserve sound quality; in effect, to turn down the noise but not muffle voices, environmental sounds or 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 the highest fidelity ready-fit earplugs available .
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