Alert and Evacuate tones are available via the 6-way terminal block. By using 3 wires it is possible to switch between Alert and Evacuate tones via the control panel.

Each sounder has an on board crystal oscillator so all sounders on a loop will be synchronised.

This product has been approved to EN 54-3 for outdoor use.

Each sounder is supplied complete with its own mounting base which comes with marker points for drilling M20 gland entries. The installation of these sounders is not recommended in (chilled) areas.

Approved to EN 54-3 at maximum volume only.