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About this gear
A compact, budget-conscious Etymotic IEM positioned between the ER20XS and the higher-end Music PRO in the company's lineup. Built for everyday listeners seeking the brand's characteristic analytical sound signature without premium pricing.
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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