Filters

Exchangeable filters made by Etymotic Research. For use with custom musicians earplugs. Choose between 9dB, 15dB or 25dB attenuation.

Etymotic filters feature a flat frequency response which allows musicians to hear their performance accurately / music lovers to appreciate the music while providing hearing protection.

Filter Choices:

• ER-9 = Provides a flat 9-dB sound reduction through the mid range and 15 dB in the highs.
• ER-15 = Provides a uniform 15-dB sound reduction across frequencies.
• ER-25 = Provides a 25-dB relatively flat sound reduction across frequencies.