Bosch STH‑15S Series Specifications

Fire Alarm Systems | STH‑15S Series Supervised Horn Loudspeakers
STH‑15S Series Supervised Horn
Loudspeakers
Wheelock's STH‑15S Series Horn Loudspeakers are
equipped with a compression driver that provides up to
15 W RMS power handling capability with excellent clarity
and sound dispersion to achieve maximum sound
projection and penetration. Weather‑resistant metal
construction assures protection against water, humidity,
vermin, and corrosion. The mounting bracket adjusts both
horizontally and vertically to allow directional sound
dispersion.
Functions
Sound Settings
Each speaker has a slotted rotating switch used to set the
output decibels. Refer to the installation instructions
packed with the product for specific information about
these settings.
Strobe Option
The STH‑15S Series Horn Loudspeakers can be mounted
using an SBL‑R Surface‑mount Back Box with an SHMP‑R or
SHMP‑W Adapter Plate and an RSSP Series Retrofit Strobe
Plate.
Certifications and Approvals
Cooper Wheelock, Inc. holds these Listings and Approvals:
▶ Weather-resistant, vandal‑resistant aluminum
construction
▶ 25 V, 75 V, 100 V transformer with seven‑position
adjustable switch for wattage and impedance
▶ 5 mF capacitor for line supervision
▶ Universal mounting bracket adjustable in both
horizontal and vertical planes with slots for bands for
pillar or beam mounting
Region Certification
USA UL UEAY: Speakers (UL464), UUMW:
Speakers and Amplifiers for Fire Protective
Signaling Systems (UL1480, UL1711, and
UL2043)
CSFM 7320-0785: 144
NFPA Complies with National Fire Protection Asso-
ciation NFPA 72 and 101
OSHA Complies with Occupational Safety and
Health Administration OSHA 1910.165
Installation/Configuration Notes
Compatibility Information
The STH‑15S Series Horn Loudspeakers are compatible
with the Wheelock SAFEPATH4 system. They can be used
with other amplifier networks that provide the necessary
power and input impedance.
Mounting Considerations
Wall mount the horn loudspeaker using appropriate
mounting hardware. Slots are provided in the swivel base
for banding straps to allow mounting on beams, poles, and
girders.
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