Sennheiser MAS 133

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SennheiserSKU: MAS-133

$149.95 $189.95



MAS 133

The MAS 133 is an XLR inline switch box for simple microphone control and status indication, and can also be used without a DSP system. Connected between the microphone and the mixing desk, it supplies power to the MAS 1 microphone button and has a number of switchable activation modes (PTT, PTM, Toggle on/ off, Permanent on).


The MAS 133 is a versatile XLR inline switch box for integrated microphone solutions. Attached between the mic and mixing console, it powers the MAS 1 microphone button. It is able to control any XLR-attached microphone using switchable microphone activation modes (PTT, PTM, toggle ON/off, permanent on). Furthermore, the MAS 133 features a TTL logic, enabling the user to trigger e.g. camera or media control systems for various purposes.


  • Microphone modes:
    Toggle on/off
    Push to mute
    Push to talk
    permanent on

What's in the box?

  • MAS 133
  • Mounting material
  • Quickguide

Technical Data

  • Dimensions
    5.9 x 1.7 x 1.7 in (W x D x H)
  • Connector
    Mic in: XLR-3F
  • Connector
    Mic out: XLR-3M Pin assignment: 1 = gnd, 2 = +, 3 = ?
    • Connector
      Switch in: XLR-5F Steckerbelegung: 1 = gnd, 2 = Switch, 3 = LED rot ?, 4 = LED grün ?, 5 = LEDs + 12 V out
    • Weight
      7.47 oz
    • Phantom powering
      P 48
    • Operating temperature
      14 ° to 122 °F
    • Current consumption
      4.5 mA
    • Output voltage
      High level: > 2.4 V
    • Output voltage
      Low level: < 0.4 V

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