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 ...

St. Charles, IL - System Sensor's SpectrAlert Advance, the industry's newest, most refined series of audible/visible notification appliances, includes indoor and outdoor selectable-output horns ...

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 ...

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 ...

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 ...

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

The new SpectrAlert Advance sounders and sounder strobes from Gamewell-FCI produce a low frequency alarm signal centered around 520 Hz. Both devices are UL-listed for wall and ceiling mount ...