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Etymotic ER4-SR Studio Reference In Ear Isolating Earphones with Replaceable Cable

  • Enhanced accuracy with greater sound output and flat response
  • Custom-tuned precision-matched balanced-armature drivers
  • Braid-reinforced cable for enhanced durability and low microphonic effect
  • Replaceable filters protect the balanced-armature drivers from ear wax
  • Industry-exclusive channel-matching compliance graph
  • Etymotic ER4-SR

    Etymotic ER4-SR is the new reference standard hi-fidelity earphone for those who demand nothing less than the highest fidelity. This next generation ER4-SR delivers increased accuracy with greater sound output. Like its predecessor, the ER4-SR channels are matched within an industry-leading 1dB across frequencies from 100Hz to 10 kHz.

    ER4-SR incorporates significant cosmetic and functional improvements, from a sleek, anodized and laser-etched aluminium body to the reinforced, user-replaceable detachable cable. The ER4SR is a must have for discerning engineers, audiophiles and consumers wanting the most accurate in-ear earphone available.

    Etymotic invented noise-isolating, in-ear earphones. Etymotic's original insert earphone design, developed for auditory research and medical diagnostics used balanced armature receivers and established these speakers as the gold standard for high-definition, in-ear earphones.

    Decades of research and development.

     

    Etymotic ER4-SR

     

    Leading Technology
    Etymotic ER4 series earphones were the first earphones commercialised using balanced armature driver technology and are recognized as the world leader in response accuracy, to which all other earphones are compared. The ER4SR is the most accurate in-ear earphone on the market delivering a flat response across all frequencies.

    Compliance Graph
    Included with every pair of ER4 earphones is an industry-exclusive channel-matching compliance graph, signed by the Etymotic engineer who precision matched and custom tuned the balanced-armature drivers.

    Superior Isolation
    Providing the highest noise isolation of any earphones or headphones on the market today, Etymotic ER4-SR include an assortment of noise-isolating eartips options to ensure proper seal and comfort.

    Durable Design
    The user-replaceable acoustic dampers are not only a part of the driver housing, it also protects the balanced armature driver from ear wax. Etymotic also includes a 2-year warranty.

     

    TECHNICAL SPECIFICATIONS

    • Transducer type: High performance, balanced armature micro-drivers
    • Response Accuracy: 92%
    • Noise Isolation: 35-42dB
    • Frequency response: 20Hz - 16kHz
    • Sensitivity: 98dB
    • Impedance: 45Ω
    • Sound Pressure Level: 122dB
    • Cable length: 1.5m
    • Connection: 3.5mm stereo plug

     

    FEATURES

    • Delivers increased accuracy with greater sound output and flat response
    • Custom-tuned precision-matched balanced-armature drivers
    • An assortment of noise-isolating eartip options to ensure proper seal and comfort
    • Reduction of outside noise reduces the risk of listening at unsafe levels
    • Braid-reinforced cable for enhanced durability and low microphonic effect
    • Replaceable filters protect the balanced-armature drivers from ear wax
    • 2-year replacement warranty

     

    Etymotic ER4-SR

     

    PACKAGE INCLUDES

    • Etymotic ER4-SR Studio Reference Earphones
    • 6.35mm stereo adaptor
    • Assortment of silicone eartips
    • Filter changing tool and replacement wax filters
    • Channel-matching compliance graph
    • Shirt clip
    • Airline adaptor
    • Travel pouch
    • Storage box

     

    1. BrandEtymotic
    2. Cable Length1.5m to 3m
    3. Cable Length Text1.5m
    4. ColourBlack
    5. Connectivity TechnologyWired
    6. Connector AngleAngled
    7. Connector TypeHeadphones (3.5 mm stereo jack)
    8. Detachable CableNo
    9. Driver TypeBalanced Armature
    10. Frequency Response20Hz - 16kHz
    11. Headphones TechnologyBalanced Armature
    12. Headphones TypeHeadphones - binaural
    13. Headphone Fit TypeIn-Ear
    14. Impedance45Ω
    15. Manufacturer Warranty2 Years
    16. Number of driversSingle Driver
    17. GTIN846430002012
    18. Part NumberKETE0140
    19. Product TypeEarphones
    20. Recommended useDigital audio player;Portable audio system;Studio
    21. Feature keywordComfortable;Ear Canal;IEM;In Ear;Lightweight;Noise Isolation;Professional;Studio
    22. Sensitivity98dB
    23. Sound Output ModeStereo
    24. Headphones Form FactorIn-Ear
    25. Included Accessories6.35mm stereo adaptor, Eartips, Filter changing tool, Wax filters, Shirt clip, Airline adaptor, Travel pouch, Storage box, Compliance graph
    26. Sound Output ModeStereo
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