About this gear
An updated version of Etymotic's affordable passive noise isolation earphone with improved build quality and comfort compared to its predecessor. The ER20XS maintains the original's straightforward approach to hearing protection while serving musicians and live sound professionals.
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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