- A programmable hi-output addressable sounder operating at up to 85dB(A).
- Designed to increase call indication levels in large Quantec sites.
- Can be configured to sound when certain groups of call points are calling.
- Can be assigned one of 16 different tones (four of which are HTM2015 compliant) for each of Quantec's call states using a QT423 configurator.
- Default operation utilises Quantec’s standard tones.
- Adjustable day/night volume controls.
- Connections for an optional slave overdoor light.
- Mounts on a standard UK 25mm single gang flush or surface back box.
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