STH-15S-ULC Weatherproof Horn Loudspeaker by EATON

STH-15S-ULC Weatherproof Horn Loudspeaker by EATON

Model #STH-15S-ULC

Regular Price: $301.04

Special Price $168.58

Product Overview

• Approvals: ULC Standard CAN/ULCS541-2016 for speakers.

• 15-Watt high-efficiency compression driver

• Weatherproof & vandalproof aluminum construction assures protection against water, humidity and corrosion

• Reentrant acoustic path

• 25/70 V transformer featuring a screwdriver adjustable, 7-position watt/impedance selection switch

• Capacitor for line supervision

• STH-15S-ULC gray-baked epoxy finish; STH15SR-ULC red-baked epoxy finish

• Simple, universal mounting bracket adjustable in horizontal and vertical planes with banding slots for beam or pillar mounting

• Installation terminals and power selector are recessed mounted, and protected by the metal interface adapter, or clear plastic shield


The STH-15S-ULC Weatherproof Horn Loudspeaker by EATON is a surface-mounting, high-efficiency unit for life safety and communication system applications. They provide high-intelligibility voice reproduction and signal transmission for indoor or outdoor emergency alarm and protective signaling.

This vandalproof wheelock horn is equipped with a compression driver providing up to 15 watts RMS power handling capability, superior quality intelligibility and dispersion to achieve maximum sound projection.

The STH weatherproof loudspeaker includes a built-in 25/70 V transformer featuring a screwdriver adjustable, 7-position watt/impedance selection switch. Wiring terminals are protected with a vandal-resistant adapter cover for control equipment utilizing cable or conduit.

Weather-resistant metal construction and reentrant acoustic path assure protection against water, humidity and corrosion. The mounting bracket allows directional sound dispersion via vertical and horizontal positioning. Provisions are also included for surface or strap mounting to pillars and I-beams.


• Frequency response: 400–4,000 Hz (nominal)

• Sensitivity: 102 dB @ 15 Watts @ 10 ft

• Dispersion angle: 70 Degrees

• Weight: 4.5 lb

• Power rating: 15 Watt continuous

Additional Information

Promotional Message No
Mount Type Wall/Ceiling Mount

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