Loudspeakers

The Wheelock STH-15S supervised, horn loudspeakers provide superior intelligibility and dispersion to achieve maximum sound projection and penetration for indoor and outdoor life safety and mass notification applications.

The weather-resistant speakers are equipped with a compression driver with up to 15 watts RMS power handling capability. The horn loudspeakers include a built-in 25/70 V transformer, featuring a screwdriver adjustable, 7-position watt/impedance selection switch.

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Overview Models Resources

Color

Red or Gray

Power Rating

15 Watt continuous

Sensitivity

101 dB @ 15 Watts @ 10 ft

Emergency Communications

Provides crisp, clear voice messages, ideal for emergency communications, mass notification and voice evacuation.

Weather resistant & wiring

Weather-resistant metal construction and reentrant acoustic path assure protection against water, humidity, vermin and corrosion.
Wiring terminals are protected with a vandal-resistant adapter cover for control equipment utilizing cable or conduit.

Mounting

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.

Approvals & Compliance

UL, CSFM

Specifications

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PRODUCT DETAILS

Wheelock ST-15S loudspeakers

Catalog Number	STH-15-S, STH-15SR
Finish Color	Red or Gray
Power Rating	15 Watts
Frequency Response	400-4,000 Hz
Sensitivity	102 dB @ 15 watts @ 10 ft.
Transformer	Selectable 25/70/100 V
Anechoic Measurements	Code 3 Tone: 107.2 dBA; Slow Whoop: 108.5 dBA; Siren: 107.8 dBA
Mounting	Wall or Ceiling
Approvals	UL Standard 1480, CSFM

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Support from Eaton

Contact Us

Eaton

Life safety & mass notification solutions

273 Branchport Avenue

Long Branch, NJ 07740

P: (800) 631-2148

F: (732) 222-8726

Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.

Wheelock STH-15S loudspeakers