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 ...

The SpectrAlert advance low-frequency sounders and sounder strobes by System Sensor of St. Charles, Ill., are the first notification appliances to meet the new NFPA 72 2010/2013 low-frequency ...

To predict intelligibility of a voice system, System Sensor SpectrAlert Advance speaker data is now available to model systems in EASE (Enhanced Acoustical Simulator for Engineers) software.

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 ...

System Sensor of St. Charles, Ill., releases SpectrAlert Advance speaker data with Enhanced Acoustical Simulator for Engineers (EASE) software.