Etymotic Research ER4SR Studio Reference Precision Matched In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating
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Product Features
High performance balanced Armature drivers are precision matched to within 1 dB
Sleek, anodized, laser-etched aluminum body
Braided, reinforced 5ft detachable MMCX cables
35-42 dB of noise isolation with a max output of 122 dB
Precision machined metal bodies with anodized finish
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