Notification Appliances

Audible Visible (AV) Notification SpectrAlert® Advance is the most versatile, easy to install, and cohesive line of audible visible (AV) notification appliances in the industry. SpectrAlert® greatly simplifies the specification, configuration, and installation of your notification project by providing a plug-in design, aesthetic and functional consistency, and field-adjustable settings across the entire line. Whether for fire alarm systems, emergency communications systems, mass notification systems, general signaling, directional sound, or voice evacuation systems, SpectrAlert Advance enables you to save time and money while meeting the widest range of notification codes and requirements.

Select a category below to view a specific model of System Sensor products.


Low Frequency

Sounder Strobes



Speaker Strobes


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