Etymotic ER-9 Filter

Replacement Etymotic Filters for Musicians’ Earplugs. Designed for use with the Westone ES49 Musicians’ Earplugs.

Etymotic filters feature a flat frequency response that allows musicians to hear their performance accurately while providing hearing protection. Etymotic ER-9 Filter The ER-9 provides flat 9 dB sound reduction through 2 kHz and slopes down to 15 dB at approximately 8 kHz. It is the ideal attenuator for musical situations that may not require as much attenuation as the ER-15 or ER-25 filters provide. Available in Red, Blue, Clear, Brown, Beige, single or in pairs.

Images of Options

Etymotic ER-9 Filter - Red & Blue

Etymotic ER-9 Filter - Clear

Etymotic ER-9 Filter - Brown

Etymotic ER-9 Filter - Beige