FireFighter Wired Smoke Alarm Audio Detector SLX-AD-T3

The FireFighter SLX-AD-T3 allows you to add monitoring capability to existing interconnected smoke detectors. The Firefighter is simple, reliable, and designed to be the best value fire monitoring for homeowners.

Manufacturer Interlogix
Part number SLX-AD-T3
Dimensions 1.6″ x 2.9″
Mounting Within 6 inches of wired smoke
Power 3V lithium CR123A
Battery Life 4 years
Wireless Signal 319.5 MHz
Operating Temperature 32°F (0°C) to 120°F (49°C)
Relative Humidity 5-95% RH non condensing

How to Install the SLX-AD-T3

Physical installation of the FireFighter SLX-AD-T3 should follow the manufacturer’s instructions found in the product installation manual. Installation steps from the SLX-AD-T3 manual are below:



A link to the SLX-AD-T3 full manual can be found here:

Mounting the SLX-AD-T3

  1. To ensure proper operation ensure the side of the FireFighter with the small holes is directly facing the sounder holes on the smoke detector.
  2. Secure the mounting bracket to the wall or ceiling using the two mounting screws or double sided tape provided, and then secure the audio detector to the mounting bracket using the small screw provided.
  3. The FireFighter must be mounted within 6 inches of the detector.
    • You will need an additional FireFighter for each non-interconnected wired smoke detector in use.

Programming the SLX-AD-T3 with the Qolsys IQ Panel

  1. Place the IQ Panel into Auto-Learn Mode. To do so, at the panel navigate to:
  • Settings
  • Advanced Settings
  • Enter your Installer or Dealer Code
  • Installation
  • Devices
  • Security Sensor
  • Auto Learn Sensor
  1. With the panel in Auto-Learn Mode, open and close the sensor case to tamper the sensor.
  2. Program the sensor as needed. Then Click Add to finalize programming.

Programming Instructions for Qolsys 319.5Mhz sensors like the SLX-AD-T3 can be found here: