Etymotic MicroPro ER-4S Stereo Earphone
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ETYMOTIC RESEARCH, INC
Etymotic MicroPro ER-4S Stereo Earphone
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MFG #:  ER4S
Availability:   In Stock
Quantity:
List Price: $299.00
Our Price: $191.17
You Save: $107.83

ER-4S Stereo earphone have the most accurate frequency response for reproducing CD and MP3 recordings. The sensitivity is comparable to home and professional earphones. ER-4S Stereo earphone are ideal for home stereo use and computer use. ER-4S Stereo earphone can be used with a Earphone amplifier when using low power portable devices. ER-4S is the earphone preferred by musicians and audiophiles.

Specifications
General Info
Manufacturer
Etymotic Research, Inc
Manufacturer Part Number
ER4S
Manufacturer Website Address
www.etymotic.com
Brand Name
Etymotic
Product Line
MicroPro
Product Series
ER-4
Product Name
MicroPro ER-4S Stereo Earphone
Marketing Information

ER-4S Stereo earphone have the most accurate frequency response for reproducing CD and MP3 recordings. The sensitivity is comparable to home and professional earphones. ER-4S Stereo earphone are ideal for home stereo use and computer use. ER-4S Stereo earphone can be used with a Earphone amplifier when using low power portable devices. ER-4S is the earphone preferred by musicians and audiophiles.

Product Type
Earphone
Interfaces/Ports
Host Interface
Mini-phone
Earpiece
Earpiece Technology
Dynamic
Earpiece Design
Earbud
Earpiece Type
Binaural
Ear Cushion
Foam
Earpiece Sensitivity
108 dB SPL
Miscellaneous
Package Contents
  • 1 x MicroPro ER-4S Stereo Earphone
  • 1 x 5 ft. cord with 3.5 mm stereo phone plug
  • 1 x 6.35mm stereo phone adapter plug
  • 6 x white 3-flange eartips
  • 10 x foam eartips (medium)
  • 1 x Filter changing tool
  • 4 x replacement filters
  • 1 x Shirt clip
  • 1 x Zippered pouch
  • 1 x Storage box
  • Additional Information
  • Lightweight and portable
  • High accuracy
  • Noise isolation: 20-25 dB
  • Acoustic polarity: +electrical = +acoustic
  • Transducer type: Balanced armature
  • Maximum output: 122 dB SPL
  • Maximum continuous input: 3.0 Vrms
  • External noise exclusion: 35 dB
  • Response Accuracy: 92%

    Optional Accessories:

  • Airline audio jack adapter
  • Cable to convert "P" to "S"

  • Physical Characteristics
    Form Factor
    Open
    Weight
    1 oz
    Technical Information
    Connectivity Technology
    Wired
    Operating Distance
    5ft
    Sound Mode
    Stereo
    Impedance
    100 Ohm
    Minimum Frequency Response
    20Hz
    Maximum Frequency Response
    16kHz
    Warranty
    Standard Warranty
    1 Year
    Parts Warranty/Labor
    1 Year
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