Edwards 3-ASU/FTRC


Audio Source Unit with Local Microphone, Firefighters Telephone and call in Buzzer Control

Availability: Please Call for Availability

  • Factory New
Brand: Edwards FireAlarm.com Part #: 80584 Categories: , , Manufacturer Part #: 3-ASU/FTRC Tag:


The efficient EST3 audio system provides for intuitive local and remote audio control for Mass Notification/Emergency Communications (MNEC), Life Safety and other approved uses. EST3 audio builds from standard modules that fit together easily. Audio components use standard EST3 cabinets and power supplies. Taking full advantage of digital technology, up to eight channels of audio sources transmit over a single twisted pair of wires or fiber optic cables between nodes. Coupling the inherent reliability and performance of zoned amplifiers with EST3 simplified user interfaces makes audio system design and operation easy and dependable


Weight 16 lbs




Production Status



  • Eight channels for audio source selection
  • Audio data to remote EST3 panels with amplifiers can be transmitted over twisted copper wires or fiber optic cables (see Data Sheet 85010-0131 for details on EST3 fiber optic communications)
  • Listed for Mass Notification/Emergency Communications
  • UL2572 as CCS or ACU or LOC.
  • Auxiliary audio input interface for campus paging, telephone interface, etc.
  • Single fiber optic filament or one twisted pair of wires between nodes
  • VU display shows paging output level
  • Ready-to-page LED
  • On board storage of programmed messages and tones
  • Optional LCD display of fire phone calls
  • Optional earthquake hardening: OSHPD seismic pre-approval for component Importance Factor 1.5

Audio and Telephone Masters; 3-ASU Series


EST - Data Sheet

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