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Etymotic Research ER4SR Etymotic Research ER4SR
  • Etymotic Research ER4SR
  • Etymotic Research ER4SR
  • Etymotic Research ER4SR
  • Etymotic Research ER4SR

Etymotic Research ER4SR

Etymotic Research ER4SR

$349.00
  • Reference-quality in-ear headphones with balanced-armature technology
  • L-R channels are matched within an industry-leading 1 dB across frequencies, from 100 Hz to 10 kHz
  • High output sensitivity (98 to 104 dB)
  • Earphones completely seal the ear and provide 98% noise isolation
  • Reinforced, detachable cable is user-replaceable
  • Sleek, anodized and laser-etched aluminum body

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  • Description

    Developed as an update to Etymotic’s ER-4 flagship-line of earphones, the ER4SR deliver reference-quality sound reproduction with high output levels for discerning sound engineers, audiophiles, and musicians who demand the highest fidelity.

    The ER4SR feature balanced-armature technology, custom-tuned drivers, L-R channels matched within an industry-leading 1 dB, and 3-flange eartips which completely seal the ear to offer an impressive 98% of sound isolation. Their high sensitivity allows them to deliver a robust sound level up to 122 dB, making them well suited for portable media players with low output.

    The ER4SR combine style and functionality with a sleek, anodized and laser-etched aluminum body, and a detachable, reinforced cable which is user-replaceable. They come with four pairs of 3-flange eartips, two pairs of foam eartips, a shirt clip, a filter removal tool &filters, and a zippered storage case.

    • Reference-quality in-ear headphones with balanced-armature technology
    • L-R channels are matched within an industry-leading 1 dB across frequencies, from 100 Hz to 10 kHz
    • High output sensitivity (98 to 104 dB)
    • Earphones completely seal the ear and provide 98% noise isolation
    • Reinforced, detachable cable is user-replaceable
    • Sleek, anodized and laser-etched aluminum body
  • Tech Specs

    Type
    In-ear
    Transducers
    High-performance, balanced-armature micro-drivers
    Left/Right Channel Matching
    Within 1 dB from 100 Hz to 10 kHz
    Frequency Response
    20 Hz to 16 kHz
    Noise Isolation
    35 to 42 dB
    Impedance
    45 Ohms
    Sensitivity
    98 dB with 100 mV drive
    104 dB with 200 mV drive
    Maximum Output
    122 dB
    Cable
    Detachable, 5' / 1.5 m
  • In The Box

    • Etymotic Research ER4SR In-Ear Studio Reference Headphones
    • Detachable 5' Cable with 3.5mm Gold-Plated Stereo Plug
    • 2 x Pairs Standard 3-Flange Eartips
    • 2 x Pairs Large 3-Flange Eartips
    • 2 x Pairs Large Black Foam Eartips
    • Filter-Removal Tool and Filters
    • Shirt Clip
    • 1/4" Stereo Phone Adaptor
    • Zippered Storage Case
    • Limited 2-Year Warranty
  • Reviews

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Developed as an update to Etymotic’s ER-4 flagship-line of earphones, the ER4SR deliver reference-quality sound reproduction with high output levels for discerning sound engineers, audiophiles, and musicians who demand the highest fidelity.

The ER4SR feature balanced-armature technology, custom-tuned drivers, L-R channels matched within an industry-leading 1 dB, and 3-flange eartips which completely seal the ear to offer an impressive 98% of sound isolation. Their high sensitivity allows them to deliver a robust sound level up to 122 dB, making them well suited for portable media players with low output.

The ER4SR combine style and functionality with a sleek, anodized and laser-etched aluminum body, and a detachable, reinforced cable which is user-replaceable. They come with four pairs of 3-flange eartips, two pairs of foam eartips, a shirt clip, a filter removal tool &filters, and a zippered storage case.

  • Reference-quality in-ear headphones with balanced-armature technology
  • L-R channels are matched within an industry-leading 1 dB across frequencies, from 100 Hz to 10 kHz
  • High output sensitivity (98 to 104 dB)
  • Earphones completely seal the ear and provide 98% noise isolation
  • Reinforced, detachable cable is user-replaceable
  • Sleek, anodized and laser-etched aluminum body

Customer Reviews

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