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Etymotic Research ER4-P 3.5mm/ 6.3mm Connector Canal MicroPro Earphones

  • 20-16 kHz ±4 dB
  • 3.5mm/ 6.3mm Connector
  • 5 feet Cord Length
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Learn more about the Etymotic Research ER4-P


Etymotic Research

General SPEC

Frequency Response
20-16 kHz ±4 dB
Input Impedance
27 ohms
108 dB SPL for a 0.2 V input
(102 dB@0.1 V; 106 dB@mW)
3.5mm/ 6.3mm
Ear Coupling
Cord Length
5 feet
less than 1 oz.


Transparent, reference-quality sound
For audiophiles, performing musicians and recording engineers
For mixing, monitoring and critical listening
Accurate real-ear response
Unsurpassed isolation from outside sound

Quick Info

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