Sennheiser MAS1G Speechline Install Mic Activation Button

Speechline activation button with bi-color status indicator - black
MFR# 505620
Sennheiser MAS1G Speechline Install Mic Activation Button


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Elegant and low-key in its appearance, the sturdy Sennheiser MAS 1 microphone button makes mic control a breeze. Connected to the MAS 133 inline switch box it can control any XLR-attached microphone by means of programmable microphone activation modes (PTT, PTM, toggle ON/off, permanent on). For easy operation the MAS 1 comes with a bi-color status indicator.


  • Connector: XLR-5M out (pin assignment: 1 = gnd, 2 = Switch, 3 = LED red −, 4 = LED green −, 5 = LEDs +12 V in)
  • Weight: 60 g
  • Phantom powering: 12 V (1.5 mA max.)
  • Operating temperature: 1 ° … +50 °C
  • Current consumption LED ring: 3 mA
  • Thread: M 20

Additional Information

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