MAS 1 B Robust microphone button Features: Elegant and low-key in its appearance, the sturdy 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. Specifications: Color black LED light ring: red / green Dimensions Height: 81 mm (8 mm above surface), Diameter: 28.5 mm 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