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Etymotic Research ER-4S Noise-Attenuating Portable Stereo Earphones

Etymotic Research ER-4S Noise-Attenuating Portable Stereo Earphones


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Product Highlights

  • Lightweight In-Ear Design
  • Up to 42dB of Noise Reduction
  • Multiple Eartips Included

You Pay: $299.00

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The Etymotic Research ER-4S stereo earphones feature an ultra-lightweight design, up to 42dB of external noise attenuation, and an enhanced output level for both the high and low frequency range, a combination that ensures clear, natural listening enjoyment at safe and moderate playback levels. These earphones have the most accurate frequency response for monitoring musical material, and are recommended for home stereo and computer use, while also satisfying the requirements of most portable devices.

Ultra-lightweight audiophile-quality earphones for portable audio listening with transparent, reference-quality sound
Custom removable filters shape frequency response, protect earphones from earwax
Foam and plastic flange eartips provide comfortable fit and maximum sound isolation
Recommended for use with all portable players including Minidisc, CD, DVD and MP3
High sensitivity with enhanced bass and high frequency output, no additional amplifier required
High external noise exclusion ensures monitoring at safe, moderate listening levels
Accurate, real-ear response
Type Balanced Armature Stereo Earphones
Frequency Range 20 Hz to 16 kHz
Impedance 100 Ohms
Sensitivity 108 dB/mW
Maximum Input Power 3.0 Vrms (Continuous)
Connectors 3.5 mm Stereo Mini Plug with 1/4" Adapter
Cable Length 5' (1.5 m)
Weight 1 oz (28 g)
Etymotic Research ER-4S - Noise-Attenuating Audiophile Portable Stereo Earphones
  • 5' Cable
  • 1/4" Stereo Phone Adapter
  • 6 x 3-Flange Eartips
  • 10 x Foam Eartips
  • Filter Changing Tool
  • 4 x Replacement Filters
  • Shirt Clip
  • Carrying Pouch
  • Storage Box
  • 1-Year Limited Warranty
  • Be the first to review this item


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