Fike 20-1752


Speaker System supplied with four STH-15SR horns mounted to a NEMA Type 1 steel enclosure

Availability: Please Call for Availability

  • Factory New
Brand: Fike Part #: 141955 Categories: , Manufacturer Part #: 20-1752Secondary Part #: STH-4R


The Wheelock cluster speakers are designed for ceiling or wall mount applications for high ambient noise environments. The cluster speakers are available in multiple configurations—a speaker/visual (Series STH-MSR) and speaker only (Series STH-R or STH-G). All cluster speakers are equipped with UL listed STH-15SR or STH-15S supervised horn loudspeakers, and the speaker/visual system has a UL listed DC-MAX-C strobe, mounted to a steel enclosure.



Fike Corporation





Unit of Measurement

EA (Each)

Production Status



  • Cluster speaker systems come fully assembled
  • High-efficiency unit for life safety and/or general communication announcing/notification
  • Provides high-intelligibility voice reproduction and strobe models feature high-intensity visual alerting for emergency alarm and protective signaling
  • Speakers and strobes are prefabricated to a 10” x 10” x 6” steel enclosure for indoor use
  • Mounts to ceiling or wall
  • Only 1 pair of wires needed for audio connections
  • Each individual STH-15SR or STH-15S horn is capable of delivering up to 102 dB at 15 watts at 10 feet
  • Omni-directional sound
  • Conduit knockouts for 1/2” or 3/4” coupling

STH cluster speaker with MAX strobe


Eaton - Data Sheet