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Audio Distribution Module 2-Way

ADM 2 box web

The Pertronic Audio Distribution Module (ADM-2-PMB125) creates a pair of independently monitored 100 Vrms audio lines (channels). This module simplifies the provision of two separate audio channels covering one area or evacuation zone.

The built-in fault monitoring system continuously monitors the 100 Volt output lines for open-circuit or short-circuits, irrespective of whether the system is broadcasting an evacuation message, broadcasting non-urgent audio such as background music, or idling with no signal.

The Audio Distribution Module independently monitors the output channels and signals a fault condition to the amplifier or evacuation generator in the event of a fault condition.


  • Simplifies installation of audio evacuation systems by providing duplicate monitored audio channels
  • A short circuit on one channel will be isolated allowing audio transmission over the other channel
  • Assists compliance with the fault isolation requirements in AS 1670.1: 2015, s. 2.6
  • Superior 80 Watt per channel switching capacity
  • Reset switch allows historical fault indications to be cleared
  • Built-in analogue addressable loop isolator disconnects the loop if it develops a short-circuit
  • Compatible with Pertronic Evac amplifiers, and amplifiers controlled by the Pertronic EVAC Generator 
  • Compatible with third-party equipment including the Tyco QE 90 EWIS and the AMPAC EV3000 

Ordering Information

Product Code



Audio Distribution Module, 2 Way, Printboard Only


Audio Distribution Module, 2 Way, Mounted in PMB125 Enclosure

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