"Closest thing yet to a direct sonic connection to your brain."

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The ER-4 MicroPro Earphones produce transparent, reference- quality sound. The lack of coloration results in smooth treble, full bass (no boominess), clear and natural piano, percussion and orchestral music.

The ER-4 MicroPro Earphones allow you to hear the full range of today's digital recordings without having to play them at unnaturally high and unsafe levels. Since you don't have to boost the volume to compensate for external noise, distortion is minimized and bass enhanced.

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Choose your model from the chart on the left. Both models priced the same.

$269.00 (+ $4 s/h)

To insure comfort and a deep bass response, Radio Partner offers custom earpieces for this system.

Custom Earset for ER-4 models

$30.00 - with purchase ($100.00 if ER-4 model purchased elsewhere).

*You do not have to purchase the custom earpieces at this time - you have the OPTION to buy them at ANY time for $30.
  

Click here to purchase
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Click here to order from our online catalog of Etymotic Earphone products.

System includes:

  • 5' cord with 3.5 mm stereo phone plug
  • ¼ " Stereo phone adapter plug
  • 6 white flanged eartips
  • 10 foam eartips
  • Filter changing tool with 4 filters
  • Instruction booklet
  • Shirt clip
  • Carrying pouch
  • Storage box