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Review Summary
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Westone's DefendEar Concert (ES49)
602353793198
It is the ideal attenuator for musical situations that may not require as much attenuation as the ER-15 or ER-25 filters provide.
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. The ER-9 provides flat 9 dB sound reduction through 2 kHz and slopes down to 15 dB at approximately 8 kHz.