Cluster Speaker with Three Horns and One Strobe | STH-3MSR

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Regular Price: $1,155.00

Special Price: $750.59

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Product Features

  • STH-15SR Speakers are UL Standard 1480 Listed.

  • RSS-24MCCH Strobes are UL Standard 1971 Listed

  • Compliant with ADA, OSHA 1910.165, ANSI 117.1, NFPA 72, NFPA 101, and IFC

  • Cluster and Strobe wiring can be monitored for integrity by the Control Panel

  • Cluster Speaker Strobes come fully assembled

  • High efficiency unit for fire life safety and/or general communication announcing/notification

  • Provides high-intelligibility voice reproduction and high intensity visual alerting for emergency life safety applications, alarm and protective signaling

  • Speakers and Strobes are prefabricated to a 10” x 10” x 6” NEMA 1 steel enclosure for indoor use.

  • Mounts to ceiling

  • Only 1 pair of wires needed for audio connections

  • Strobes are connected to the NAC Strobe Circuit and are selectable 115 or 177 cd

  • Each individual STH-15SR horn is capable of delivering up to 102 dB at 15 watts at 10 feet

  • Omni-direction

  • Conduit knockouts for ½” or ¾” coupling

  • Labor Saving


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Wheelock’s Series STH Cluster Speakers are designed for high ambient noise environments. The Cluster Speakers are available in multiple configurations. Provides high intelligibility voice reproduction and available high intensity visual alerting (STH-MSR models) for emergency alarm and protective signaling.

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At Telcom & Data we strive for long term customer relationships, that’s why we offer a 60 day 100% money back guarantee on ALL of our products. (Except Special Made-to-Order Products, including Wheelock MEDC and Explosion Proof Products) If you are not happy with a product for any reason simply call us at 800-335-0229 and request a Return Authorization number for a full 100% credit. All returns require prior authorization, please. Returned items must be repacked in ORIGINAL packaging NO EXCEPTIONS. Telcom & Data wants to be your one stop telecommunications company. Let us know how were doing by calling 800-335-0229 and ask for extension 832.