Etymotic ER4-SR In-Ear Isolating Earphone with Replaceable Cable
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Product Features
Enhanced accuracy with greater sound output and flat response
ACCU-Driver balanced-armature, precision-matched, custom-tuned drivers
Braid-reinforced cable for enhanced durability and low microphonic effect
ACCU-Filter user-replaceable filters protect the balanced-armature drivers from ear wax
Industry-exclusive channel-matching compliance graph
Ear Canal Headphone
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