New Low Frequency Sounders Serve as a More Secure Fire, Emergency Voice Solution

Honeywell announces the release of Silent Knight, a low frequent emergency voice solution that features sounders and sounder bases.

By Jessica Kennedy
The Silent Knight solution by Honeywell.
July 31, 2015

In order to meet end users’ needs for a more secure fire and emergency voice solution, Honeywell developed Silent Knight low frequency sounders and sounder bases.

The Silent Knight solution features an amplifier, which provides backup power capabilities for the IntelliKnight 5820XL-EVS emergency voice system.

The solution also features SpectrAlert Advance low frequency sounders and sounder bases. According to a statement by Honeywell, these technologies “emit a 520 Hz tone, which studies have found more effective at waking building occupants, including those with mild to severe hearing loss. The expanded line includes speakers and speaker/strobes, as well as sounder bases compatible with Silent Knight smoke, heat, and fire/carbon monoxide detectors.”

The Silent Knight solution also follows current NFPA 72 standards and the International Building/Fire Code.

The statement by Honeywell also says that existing Silent Knight detectors and sounder bases can be upgraded by replacing bases with the new low frequency version.

“Survivability is a code-required function of fire and voice evac systems, and we’re seeing more specs calling for more power to back-up these systems,” said David Pakech, sales leader, Silent Knight-IntelliKnight. “These voice systems are getting bigger and wall space is at a premium, so the backup amp will soon be a commodity for most jobs.”

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