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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
3 m cable / 6
Equipped with MMCX connectors and 4
28 ft PLUG Gold-plated L-shaped Stereo Mini INPUT(S) Stereo Mini WEARING STYLE Neckband NFC Yes DSEE HX Yes PASSIVE OPERATION Yes
captivating listening experience
Etymotic ER4 SR/XR Noise-Isolating Earphones (Open Box) used 3 m cable / 6Which ER4 is right for you? Both ER4 models, the ER4SR and ER4XR, use the same Balanced Armature (BA) drivers. The only difference is the tuning of the lower (bass) frequencies. The ER4SR, being the reference model, is tuned to be as precise and flat as possible. The ER4XR, being the fun model, is tuned with added bass. As you can see from the frequency response graphs below, ER4XR adds 1 2dB to the mid bass frequencies (below 200Hz) and 3 4dB to the
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