903E

Electret handheld microphone

Summary & Images Specs Downloads & Support
  • 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.
  • FAA TSO approval
    The 903E microphone is approved for aviation use under FAA TSO C139A.

The 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
Mounting Blade Mount
FAA TSO Approvals C139A

Weight ~6.35 oz (180 g)
Microphone Type Close Talking Differential, Amplified Electret Condenser
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

Technical Documentations
Name Language & Download
903E-2 FAA TSO Approval
Name Language & Download
903E-2 Technical Data Sheet
903E-1 Technical Data Sheet
Name Language & Download
903E Maintenance Manuals
903E-2 Maintenance Manuals
Publications Index
Marketing Materials
Name Language & Download
602t & 903e Flyer
Name Language & Download
903E Full

Let's talk

Telex and our certified partners are ready to help support you through planning, purchase, and setup. Services available through our network of highly-qualified associates and partners may include:

  • System Design
  • Installation
  • Programming & Commissioning

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