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.

Quiescent current	TBC.
Nominal SPL (Sound Pressure Level)	Up to 85db(A).
Alarm current	TBC.
Controls	Adjustable volume controls for day and night mode.
Connections	Net +; Net -. Includes R (Red) and G (Green) connections for an optional slave overdoor light.
Onboard Sounder	Yes. (Sound sequence changes and intensifies to reflect the urgency of the incoming call as per device programming).
Onboard Infrared Receiver	No.
Product dimensions (mm)	86 W x 86 H x 43 D mm. Mounts on a UK 25mm single gang back box.
Construction & finish	Plastic.
IP Rating	IP41.
Weight	80g
Operating conditions/temperature	-5ºC to +40ºC. Max. relative humidity 95% non-condensing.
Notes	Can be programmed using a QT423 configurator.