System Sensor’s SPH-15 series speakers combine performance, function-

ality, and flexibility.

speaker is capable of projecting through high ambient sound levels typically

found in warehouses, factory settings, and mechanical equipment rooms. The

horn loudspeaker is equipped with a 7-position watt/impedance switch, pro-

viding for tap selection up to 15 watts RMS power handling capability.

accurate reproduction of audible emergency and protective signals/messages.

The SPH-15 is weather-resistant to provide protection against water, humidity,

and corrosion.

of operating on either 25.0 or 70.7 volts. A mounting bracket permits surface-

mounting in either a horizontal or vertical position, allowing for directional

sound dispersion, which maximizes sound projection and penetration.

25.0 and 70.7 Vrms dual voltage

settings

Seven field-selectable

watt/impedance selections

Double re-entrant design

Vertical and horizontal positioning

Suitable for life safety and

communications

Available with red finish

SPH-15R

Product Overview

Models Available

Engineering Specifications

Supervised horn loudspeaker shall be System Sensor Model SPH-15__ dual-

voltage transformer speaker capable of operating on either 25.0 or 70.7 volts.

Loudspeaker shall be equipped with a 7-position watt/impedance switch,

providing for tap selection up to 15 watts RMS. Loudspeaker shall have a fre-

quency range of 400 – 4000 Hz, and shall operate in a temperature range of

32°–120°. Loudspeaker shall be listed to Underwriter Laboratories Standard

1480 for Fire Protective Signaling speakers.

SPH-15 Series Supervised

Horn Loudspeaker

A U D I B L E / V I S I B L E

N O T I F I C A T I O N

S4048