Hi-Output Addressable Sounder

Order code: QT688/2 Category:
  • 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.


QT688/2 Hi-Output Programmable Sounder Instructions – DNU1000688 347.65 KB Download
EU Declaration of Conformity – Quantec Overdoor Lights & Sounders (DoC) 158.86 KB Download
UKCA Declaration of Conformity – Quantec Overdoor Lights & Sounders (DoC) 97.86 KB Download
Dimensions & Mounting Information
Product dimensions: 87 W x 87 H x 68 D mm. Mounts on a 25mm UK single gang back box.
BIM/CAD Drawings

QT688/2 Flush mounted BIM (RFA)


QT688/2 Surface mounted BIM (RFA)