Buy Etymotic Research ER4XR Extended Response Earphones in United States - Cartnear.com
Etymotic Research ER4XR Extended Response Earphones
CTNR80409 0846430002029 CTNR80409Etymotic
2025-11-21
/itm/etymotic-research-er4xr-extended-response-earphones-80409
USD
326.65
$ 326.65 $ 329.95
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Over 30 years ago, Etymotic invented noise-isolating, in-ear earphones. Etymotic’s original design, developed for auditory research and hearing testing, used balanced armature receivers and established these speakers as the gold standard for high-definition, in-ear earphones. ER4 earphones were the first high-fidelity, noise isolating in-ear earphones to use this technology in a consumer earphone, and are recognized as the world leader for response accuracy to which all other earphones are compared.The ER4XR modal provides uncompromising accuracy in the midrange and high frequencies, but gives extra presence in the lower end.
