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Loudspeakers

Wheelock STH-15S 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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Color
Red or Gray
Power Rating
15 Watt continuous
Sensitivity
102 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, vandal-resistant aluminum construction assures protection against water, humidity and corrosion.
  • Installation terminals and power selector are recessed mounted, and protected by the metal interface adapter, or clear plastic shield.

Mounting

Simplified, universal-mounting bracket adjustable in horizontal and vertical planes with banding slots for beam or pillar mounting.
Approvals & Compliance
ULC Standard CANS541-M87 for speakers
Specifications
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PRODUCT DETAILS

Wheelock ST-15S-ULC loudspeakers

Catalog Number STH-15S-ULC, STH-15SR-ULC  
Finish Color Red or Gray  
Power Rating 15 Watts  
Frequency Response 400 - 4,000 Hz  
Sensitivity 102 dB @ 15 watts @ 10 ft.  
Transformer Selectable 25/70V  
Mounting Wall or Ceiling  
Approvals ULC Standard CANS541-M87 for speakers  
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