2 | STH‑15S Series Supervised Horn Loudspeakers
Wiring Considerations
The interface adapter is threaded for standard half‑inch
pipe and accommodates metal-clad cable or flexible or rigid
conduit with matching connectors.
Technical Specifications
Environmental Considerations
Relative Humidity:
Up to 95%, non‑condensing
Temperature (operating):
-30°F to +150°F (-35°C to +66°C)
Mechanical Properties
Color:
STH‑15S: grey; STH‑15SR: red
Dimensions
(H x W x D):
8.75 in. x 7.875 in. x 9.3125 in.
(22.2 cm x 20.0 cm x 23.7 cm)
Material:
Aluminum with baked epoxy finish
Speaker Specifications
Power Specifications
Constant Voltage Line:
25 VRMS or 70 VRMS
Power Handling Capacity:
15 W
Sound Specifications
Frequency Response:
400 Hz to 4 kHz
Sound Dispersion:
70°
Sound Level (peak):
102 dB at 15 W at 10 ft (3 m)
Trademarks
Trademark names are used throughout this document. In
most cases, these designations are claimed as trademarks
or registered trademarks in one or more countries by their
respective owners. Rather than placing a trademark symbol
in every occurrence of a trademark name, Bosch Security
Systems, Inc. uses the names only in an editorial fashion
and to the benefit of the trademark owner with no intention
of infringing the trademark.
SAFEPATH4 is a registered trademark of Wheelock, Inc.
Ordering Information
STH‑15S Supervised Horn Loudspeaker
(grey)
Grey weather-resistant and vandal-resistant
loudspeaker providing up to 15 W (RMS) pow-
er capability
STH-15S
STH‑15SR Supervised Horn Loudspeaker
(red)
Red weather-resistant and vandal-resistant
loudspeaker providing up to 15 W (RMS) pow-
er capability
STH-15SR
Accessories
SBL2‑R Retrofit Device Back Box (red)
dimensions 27.8 cm (10.9 in.) x 15.5 cm
(6.1 in.) x 4.3 cm (1.7 in.)
SBL2-R
SHMP‑R Adapter Plate (red)
Red adapter plate
SHMP-R
SHMP‑W Adapter Plate (white)
White adapter plate
SHMP-W
Americas:
Bosch Security Systems, Inc.
130 Perinton Parkway
Fairport, New York, 14450, USA
Phone: +1 800 289 0096
Fax: +1 585 223 9180
security.sales@us.bosch.com
www.boschsecurity.us
Europe, Middle East, Africa:
Bosch Security Systems B.V.
P.O. Box 80002
5600 JB Eindhoven, The Netherlands
Phone: + 31 40 2577 284
Fax: +31 40 2577 330
emea.securitysystems@bosch.com
www.boschsecurity.com
Asia-Pacific:
Robert Bosch (SEA) Pte Ltd, Security Systems
11 Bishan Street 21
Singapore 573943
Phone: +65 6258 5511
Fax: +65 6571 2698
apr.securitysystems@bosch.com
www.boschsecurity.com
Represented by
© Bosch Security Systems Inc. 2010 | Data subject to change without notice
T3220347403 | Cur: en-US, V5, 4 Jul 2010