SKU: AZTEKRKM44 |  Mfg. Part: ER4S  | UPC: 898234000428  | 
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Etymotic Research ER4S Etymotic ER-4S MicroPro Stereo Earphones

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Condition: New

$247.53  $334.17
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Product Overview

The Etymotic ER-4S MicroPro Stereo Earphones are designed for audiophiles and musicians who demand the highest level of audio fidelity. With an accurate frequency response tailored for CD and MP3 recordings, these earphones provide exceptional sound quality whether at home or on the go. They can be used with an earphone amplifier for low power portable devices, making them versatile for various audio settings.

Technical Specifications

  • Type: Earphone
  • Connectivity: Wired
  • Sound Mode: Stereo
  • Impedance: 100 Ohm
  • Frequency Response: 20 Hz to 16 kHz
  • Earpiece Technology: Dynamic
  • Earpiece Design: Earbud
  • Operating Distance: 60 inches

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
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  • ETYMOTIC RESEARCH
  • ER4S
  • 898234000428
  • New
  • 1 lbs
  • 0 X 0 X 0
  • Feb 19, 2026
  • Jan 06, 2010
Product Identifiers: Brand: Etymotic Research • Part #: ER4S • UPC: 898234000428

Etymotic Research ER4S Etymotic ER-4S MicroPro Stereo Earphones

Reviews for Etymotic Research ER4S

$247.53