System Sensor of St. Charles, Ill., has expanded its SpectrAlert Advance audible/visible notification appliance to include a line of mass notification system (MNS) devices and accessories. These ...

St. Charles, IL – System Sensor is introducing its Mini-Horns, the latest release in its newest series of audible/visible notification appliances, SpectrAlert(R) Advance. The Mini-Horns are ...

System Sensor also offers a complete line of outdoor SpectrAlert Advance products, including ceiling-mount strobes and horn/strobes.

The SpectrAlertAdvance clear dual strobe with speaker expander plates by System Sensor of St. Charles, Ill., combine the functions of two to three notification devices on a single mounting plate ...

The System Sensor SpectrAlert® Advance line of low frequency notification appliances – which includes sounders, sounder strobes, and sounder bases – is designed to meet the NFPA 72® sleeping space ...

SpectrAlert AdvanceST. CHARLES, Ill.—System Sensor's low frequency notification application guide—which provides information on low frequency fire and carbon monoxide notification appliance ...