Simplex 4902-9717


Speaker White Truealert

Availability: In Stock

Condition: New
Brand: Simplex
Status: Active
SKU: 72604
Manufacturer Part #: 4902-9717


Simplex 4902 Series speakers provide high quality sound for emergency fire alarm use as well as for background music. The moisture-repellent speaker is designed for smooth frequency response with minimal distortion. The multi-tapped speaker transformer accommodates either 25 VRMS or 70.7 VRMS and provides an output of from 1/4 W to 2 W to provide flexibility for satisfying the requirements of the installed conditions. Rectangular housing models are for surface or semi-flush wall mount applications. Round housing models are typically for ceiling applications but can be wall mounted if desired. The rectangular housing speakers are designed to compliment the TrueAlert family of strobes and speaker/ strobes, providing conventional, non-addressable speaker operation.

Additional information

Weight 0.4 lbs



Production Status



  • 4 in. cone or 102 mm provides high quality tone and voice reproduction
  • Multi-tapped design provides output power of 1/4 W, 1/2 W, 1 W, or 2 W with either 25 VRMS or 70.7 VRMS input
  • In/out wiring terminals for 18 AWG to 12 AWG
  • Mounts to 4 in. square outlet box, 1 1/2 in. deep with 1 1/2 in. deep box extension
  • Capacitor input for connection to supervised notification appliance circuits
  • Rugged, high impact, flame retardant thermoplastic housings
  • UL listed to Standard 1480
  • Compliant with NFPA 72, 520 Hz Low Frequency Signal Requirements for Sleeping Areas


Multi-application Peripherals
Simplex – Data Sheet


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