E.A.R. is still serving you during the pandemic. In fact, this is a good time to get your products serviced or repaired. Or upgrade to a better listening system.
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ER-4S Micropro Earphones (Stereo)


The ER-4 MicroPro Earphones (Stereo) are high fidelity transducers developed specifically to combine flat frequency response with isolation from external noise. They deliver transparent, reference-quality sound and provide at least 20-25dB of external noise exclusion at all frequencies, which allows listeners to hear the full dynamic range of recorded or live music at safe levels.

These units  are designed to give the most accurate response with normal commercial recordings. Some users with low powered portable equipment prefer to use an external headphone amplifier.


  • Unparalleled sound accuracy
  • Virtual elimination of external background noise
  • Designed with a gradual roll off in the high frequencies
  • Has approximately 5dB less output at 10kHz than the ER-4B
  • Light-weight and portable
  • High-fidelity monitor earphones for REM

System Kit Includes

  • 5 ft cord with 3.5mm stereo phone plug
  • 1/4″ stereo phone adapter plug
  • 6 white flanged ear tips
  • 10 foam ear tips
  • Filter changing tool with 4 filters
  • Instruction booklet
  • Shirt clip
  • Carrying pouch
  • Storage box