Etymotic ER4SR Studio Reference Earphone,Black

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Model Name ER4SR

Impedance 45 Ohms

Earpiece Shape Rounded tip

Cable Feature Detachable

Controller Type Media Control

Compatible Devices Cellphones

Braided, reinforced 5ft detachable MMCX cables

High performance balanced Armature drivers are precision matched to within 1 dB

35-42 dB of noise isolation with a max output of 122 dB

Sleek, anodized, laser-etched aluminum body

Precision machined metal bodies with anodized finish