Model DG-25III
by Louroe Electronics

Alarming Audio Base Station and Monitor/Talkback Amplifier

The Model DG-25III is a 25 zone alarming sound activated monitoring base station.  When combined with companion DG-MA (listen/talkback amplifier) and interfaced with remote speaker/microphones, it provides a sound activated duress audio system with two-way communication.

Used in parking structures, correctional facilities, public access buildings, juvenile detention centres, elevator cabs, elevator lobbies, stairwells and hallways.

• Has a variable threshold level control based on frequency and sound pressure
• Bi-coloured LED (each zone).  GREEN when monitoring, RED when in alarm
• Variable alarm delay control
• NO/NC relay contacts for each zone for activating camera or other annunciations
• Two threshold level settings – HIGH (night) and LOW (day)
• The person at the remote station can communicate hands-free with personnel at the base station
• The person and the DG-25III can talk/listen with the remote station by pressing the zone switch
• Talk/back to the remote station is with a hand-held microphone (provided) that is connected to the companion DG-MA listen/talkback amplifier

DA-4 Audio Distribution Amplifier

• The DA-4 Audio Distribution Amplifier has one audio input and four outputs
• Receives line level audio signals from a Louroe base station or Louroe Microphone and distributes it to up to four sources such as DVR’s, VCR’s or CCTV monitors with amplifiers or other audio devices that accept line level input