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 |
| Warranty | 3 years |
Specifications |
|
| Retracted | ~12 in (30 cm) |
| Extended | ~7.5 ft. (2.3 m) |
| 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 |
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 | 74KB | Jan 4, 2021 |
| Name | Size | Date |
|---|---|---|
| Headset Cleaning Memo | 84KB | Jun 12, 2020 |