etymotic ER4SR Studio Reference

  • $449.95

etymotic ER4SR Studio Reference comes with it's own performance certificate, meaning it's ready to put the scores on the doors. A brand new improvement to an already enormously successful and popular earphone. 
In the box:
Detachable, 5 ft. cable with 3.5mm gold-plated stereo plug
¼” stereo phone adaptor
Assortment of eartips
Filter removal tool and replacement filters
Shirt clip
Zippered storage case
What's the difference between the er4SR and the er4XR?
The ER4SR is a superbly accurate in-ear earphone which has a wonderfully flat response across all frequencies. The ER4XR is also very accurate but the bass has been slightly enhanced.

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