Etymotic ER20 ETY High Fidelity Ear Plugs upsell_isotunes-sport-advance-bluetooth-earphones-nrr-26 fits in every ear

fits in every ear

athletic events and motor sports

assembly lines

For environments with high levels of noise

Etymotic ER20 ETY High Fidelity Ear Plugs upsell_isotunes-sport-advance-bluetooth-earphones-nrr-26 fits in every earThe ER20 ETYPlugs High Fidelity Earplugs use a proprietary tuned resonator and acoustic resistor to replicate the natural response of the ear canal. Sound is reproduced unchanged, as the ear would hear it, only quieter. They reduce most noise to safe levels while preserving the lucidity of sounds. Traditional foam earplugs do not compare with high fidelity EtyPlugs. The well known bright colored foam plugs muffle sound by reduce mid range and high