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903E

  • Sound Quality

  • The 903E electret microphone is designed for use in high-noise environments where speech intelligibility is desired. The electret element virtually eliminates EMI, RFI and magnetic signals channeling the full power of your communications system into crisp, articulate voice transmission with the RTCA frequency response.
  • Highly Reliable

  • The microphone was designed to withstand the wear and tear that comes with consistent use. The microphone's proven electret technology will not decay or deteriorate in any way over extended periods of use.
  • Ease of Use

  • The microphone is lightweight and features tailored voice response to make use easy for users.
  • FAA TSO Approval

  • The 903E microphone is approved for aviation use under FAA TSO C58A.

The Electro-Voice model 903E Electret handheld microphone is designed for use in high-noise environments where speech intelligibility is desired, such as in aircraft cockpits, passenger cabins, control towers, or terminal areas. The electret element virtually eliminates EMI, RFI and magnetic signals channeling the full power of your communications system into crisp, articulate voice transmission with the RTCA frequency response. The microphone is recommended for advanced technology air transports employing electronic flight instrumentation systems (glass cockpits). Its proven electret technology will not decay or deteriorate in any way over extended periods.

Specifications

Microphone Sensitivity 400 mV ±3 dB for 114 dB re 20 μ pascals
FAA TSO Approvals C58a, Category B
Weight ~6.35 oz (180 g)

Microphone Type Close Talking Differential, Amplified Electret Condenser
Mounting Blade Mount
Frequency Response 300 Hz – 5 kHz
Connector Type PJ-068 or XLR-4-12C
Warranty 3 years
Retracted ~12 in (30 cm)
Extended ~7.5 ft. (2.3 m)

Downloads

Name Size Date
903E FAA TSO Approval 76KB Nov 6, 2014
903E EC Declaration of Conformity 66KB Nov 6, 2014
Name Language Size Date
903E Technical Data Sheet EN 431KB Aug 5, 2019
Name Language Size Date
602t & 903e Flyer EN 96KB Sep 25, 2019

903E Full

903E Mic Back

Name Language Size Date
Maintenance & Overhaul Manual Publication Index EN 22KB Apr 4, 2019
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