SM4 Electret Gooseneck MicrophoneThe Electret gooseneck microphone is optimally adapted to the KRT2 and with its slim and flexible design it is perfect for cockpits of all kinds.

Aviation accessories

SM4
  • flexible
  • space-saving
  • reliable
  • beautiful
The Electret gooseneck microphone is optimally adapted to the KRT2 and with its slim and flexible design it is perfect for cockpits of all kinds.

General data/basic data

Color:
  • Black
Weight:
  • approx. 280 g
Length SM4 Microphone:
  • 590 mm total with 500 mm flexible and 10 mm fix (+/-10mm)
Length connection wiring:
  • approx. 180 cm
Diameter:
  • 10 mm flexible part, 12 mm fix part

Technical data

Operating temperature:
  • -20 – +60 °C
Sensitivity:
  • -56 +/- 3 dB
Operating voltage:
  • 6 -12 V DC
Frequency:
  • 70 Hz - 1 KHz
Mounting thread:
  • M10
Connection wiring:
  • RG174
Power consumption @10V:
  • approx. 7 mA
Impedance:
  • approx. 400 Ohm
Polar pattern:
  • Omnidirectional
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