Microphone Power Supply MSxx / MVxx

Microphone power supply for condenser microphones and preamplifier. The number of channels, polarization voltage, gain, filter etc. can be customized.


  • Measurement of Sound and Vibration
  • Measurement of Sound insulation
  • Monitoring of traffic noise

MSxx and MVxx

Microphone Power Supply

0 V or 200 V polarization voltage for condenser microphones

30 V or ±15 V for preamplifier

Up to 8 identical channels


Types MVxx with gain of +0 dB, +20 dB, +40 dB and Overload Indication


The battery-operated power supplies series MSxx and MVxx return 0 V or 200 V polarization voltages for condenser microphones and 30 V or ± 15 V for the preamplifier. They are thus suitable for a large number of commercially available condenser microphones.

The power supplies are optimized for low noise.

The devices in the series MVxx are also equipped with a switchable gain of +0 dB, +20 dB and 40 dB, and overload display equipped.

Should the input signal be greater than 7 Vrms, this is indicated by a red LED. All devices can be powered by batteries or an external 12V power supply.