Horns

The SpectrAlert®​ Advance horn includes a universal mounting plate with plug-in design, three volume settings, 12- or 24-volt operation, and a rotary switch used for horn tone selection. SpectrAlert Advance horns with a “K” suffix are outdoor-rated products that are listed to UL 1638 and rated from -40° F to 151° F (-40° C to 66° C) and have a NEMA 4X rating.​

HR

The SpectrAlert Advance HR is a red, 12/24 volt horn for ceiling or wall installation.

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HRK

The SpectrAlert Advance HRK is a red, 12/24 volt horn for outdoor ceiling or wall installation.

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HRK-R

The SpectrAlert Advance HRK-R (replacement model) is a red, 12/24-volt horn for outdoor ceiling or wall installation. Offers mounting plate …

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HW

The SpectrAlert Advance HW is a white, 12/24-volt horn for ceiling or wall installation.

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MHR

The SpectrAlert® Advance MHR is the red, 12/24-volt mini-horn used where a smaller notification device is desired.

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MHW

The SpectrAlert® Advance MHW is the white, 12/24-volt mini-horn used where a smaller notification device is desired.

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