Low Frequency (520 Hz)
Sounder Strobes

The SpectrAlert® Advance low frequency sounder strobes meet the new NFPA 72® 2010/2013 low frequency (520 Hz) requirements effective January 1, 2014 for sleeping spaces. They include a universal mounting plate with a plug-in design, two sound patterns for the sounder, 24-volt operation, and are compatible with the System Sensor synchronization protocol.

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Low Frequency (520 Hz)Sounder Strobes

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Low Frequency (520 Hz)
Sounder Strobes