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Designed for use with the Westone's DefendEar? Concert (Style 49) Musicians' Earplugs. Etymotic filters feature a flat frequency response that allows musicians to hear their performance accurately while providing hearing protection. Etymotic ER-25 Filters provide 25 dB of essentially flat sound reduction from 125 Hz through 8 kHz.
Description
Designed for use with the Westone's DefendEar? Concert (Style 49) Musicians' Earplugs. Etymotic filters feature a flat frequency response that allows musicians to hear their performance accurately while providing hearing protection. Etymotic ER-25 Filters provide 25 dB of essentially flat sound reduction from 125 Hz through 8 kHz.
