The System Sensor SpectrAlert Advance product line is the industry's newest, most refined series of audible/visible notification appliances that simplify the specification, configuration, and installation of fire systems. These indoor and outdoor, wall and ceiling devices include plug-in design for wiring mounting plates, pre-installation wiring continuity checks, plus choice of high fidelity or high volume speakers and eleven field-selectable candelas.

Select one of the links below for more information.

 

SpectrAlert Advance

White Paper: Visible Signaling in Large Spaces

White Paper: Eliminating Confusion: Underwriters Laboratories Revises UL 1971, Signaling Devices for the Hearing Impaired

Explanation of Published Voltage, Current, and SPL Specifications

Voice Evacuation Design Information

Voice Evacuation Systems (pdf)