June 09, 2020
Looking for accuracy in SOUND?
Etymotic ER4® Earphones Etymotic invented noise-isolating, in-ear earphones. The ER4MicroPro series earphones were the first earphones commercialized using balanced armature technology and are recognized as the world leader in response accuracy, to which all other earphones are compared.
Thanks to SuperReview for their review
April 12, 2021
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