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E R • 4 P T U s e r M a n u a l

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Summary of Contents for Etymotic microPro ER-4PT

  • Page 1 All manuals and user guides at all-guides.com E R • 4 P T U s e r M a n u a l...
  • Page 2 All manuals and user guides at all-guides.com ™ Thank you for your purchase of ER•4 MicroPro earphones, the world’s most accurate earphones. ACCU•Driver ™ high performance, balanced armature drivers are percision matched for an accuracy response of 86% or better.
  • Page 3 The ER•4 MicroPro series earphones produce the highest sound quality of any high-definition earphones on the market today. We hope you enjoy them. Etymotic Research You know your music. Etymotic know your ears.
  • Page 4 • 1⁄4" stereo phone adapter plug • Assortment of ACCU•Fit ™ eartips • Filter changing tool and replacement ™ ACCU•Filter wax filters • Shirt clip • Airline adapter • Travel pouch • Storage box • Channel-matching compliance graph Storage Box Accessories are available at www.etymotic.com.
  • Page 5: Proper Care

    All manuals and user guides at all-guides.com PROPER CARE • Do not expose the earphones to extreme temperatures. • Avoid dropping and strong impact. • Leave eartips on the earphones for shock protection. • Do not pull on the cord to remove the earphone from the audio device or the ear.
  • Page 6 All manuals and user guides at all-guides.com SELECTING AN ACCU•FIT EARTIP 3-flange Foam Glider Large small ™ The ACCU•Fit eartip that is most comfortable is the likely choice, but it MUST SEAL well in your ear. If you can easily hear others when the device is off, you don’t have a good seal.
  • Page 7: Proper Insertion

    Important: Sound quality, full bass response and noise isolation all depend on a good ACCU•Fit ™ eartip seal in the ear canal. See a video demonstration at www.etymotic.com. • Carefully insert the earphone while pulling up and out on the back of the ear.
  • Page 8 All manuals and user guides at all-guides.com ACCU•FILTERS Etymotic earphones have special ACCU•Filter ™ wax filters that smooth the frequency response and prevent earwax from entering the earphones.An ACCU•Filter is located at the end of the earphone and is visible when the eartip is removed.
  • Page 9: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS Response Accuracy: 86% Noise Isolation: 35-42 dB Frequency response: 20 Hz - 16 kHz Acoustic polarity: + electrical = + acoustic Transducer type: balanced armature 1 kHz sensitivity: 108 dB SPL for a 0.2 V input (102 dB @ 0.1 V; 106 dB @ 1mW) Impedance: 27 Ohms nominal Maximum output: 122 dB SPL Maximum continuous input: 0.75 Vrms...
  • Page 10 Consult an audiologist or physician if you have excessive ear wax, difficulty inserting the eartips, or discomfort after prolonged use. Etymotic earphones exclude most external sounds. It is unsafe to use in-ear earphones while operating a motorized vehicle, operating machinery, bicycling or jogging, because you may not be alerted to potential danger.
  • Page 11: Warranty

    Etymotic distributor or reseller. Etymotic will repair or replace the defective product at its option if returned within the warranty period to our service facility. This warranty is in lieu of all other warranties, expressed or implied, including, but not limited to any implied warranty of merchantability or fitness for a particular purpose.
  • Page 12 ETYMOTIC RESEARCH INC. 61 Martin Lane • Elk Grove Village, IL 60007 www.etymotic.com • 888-389-6684 • 847-228-0006 ER•4 MicroPro, ACCU•Technology, ACCU•Drive, ACCU•Fit, and ACCU•Filter are trademarks of Etymotic Research, Inc. ©2010 ER004560...