The Series 65 Sounder Base is a high-efficiency conventional alarm sounder incorporating a base for the Series 65 range of detectors. It is designed so that separate detector and sounder circuits can be connected. The sounder base can be secured to a conduit box or surface mounted.

32 tones as standard
Provides detection and alarm signal at one point
With Diode
The bases have been designed to enable detectors to be plugged in without any need for force - particularly useful when fitting to suspended ceilings. All Series 65 bases are lockable. The standard base is identical to the Series 60 base, so uses the same part number, 45681-200. It contains no electronic parts which could be damaged during installation.