About this gear
Etymotic's entry-level hearing protection earphone from 2000, designed as a passive noise isolation device rather than a high-fidelity monitor. The ER20 delivers gentle, predictable attenuation across frequencies while maintaining clarity.
About Etymotic
American hearing research company founded in 1983 by Dr. Mead Killion in Elk Grove Village, Illinois. Etymotic literally means 'true to the ear' — their ER4 series defined the concept of reference IEM tuning, adhering to the diffuse-field target response with scientific precision. Known for deep-ins...
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