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Our Price : $5,881.86

Product Code: LOU-DG25III


DG-25 III Sound Activated Alarming Audio Base Station

The DG-25III is a twenty five zone alarming base stations designed to provide sound activated audio monitoring. As a system, it is interfaced with Louroe microphones or speaker/microphones mounted in remote locations. Each zone has a variable threshold level based on frequency and sound pressure, and a variable alarm delay (from 0.1 to 3.2 seconds) that can be set by the installer or owner. When a sound or disturbance exceeds the pre-set threshold level and time duration, the unit goes into alarm. A lighted LED and three second tone identify the zone, along with a relay contact for activating a camera or other annunciation. Requires companion DG-MA for two-way listen/talkback or DG-Monitor for one-way listen. Can be cascaded up to 250 zones with total of 10 DG-25III base stations. Only one DG-MA or DG-Monitor is required.


  • 19? Rack mountable
  • Variable threshold level control based on frequency and sound pressure
  • Bi-color LED (each zone). GREEN when monitoring, RED when in alarm
  • Variable alarm delay control (from 0.1 to 3.2 seconds)
  • NO/NC relay contacts for each zone for activating camera or other annunciations
  • Two threshold level settings - HIGH (night) and LOW (day)
  • DAY and NIGHT threshold sensitivity switch
  • Automatic or manual reset for alarm cancellation: auto reset variable from 3 sec to 3 min.
  • Built-in tester for alarm audio and time delay
  • Zone expansion for up to six microphones or speaker/microphones per zone using Model MLA-6 Mixer


  • Correctional Facilities
  • Public Access Buildings
  • Parking Structures
  • Juvenile Detention Centers
  • Stairwells
  • Elevator Cabs
  • Elevator Lobbies
  • Hallways

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