SUPER SIREN 2 TONE 10W
Categories : Series 2 Voice & Sound Generator ,  Siren & Alarm Sound , 
The FK231 10Watt Dual Tone Super Siren is constructed upon the same simple lines as the FK229 and features a tone selector switch for ambience matching. However its output transistor can handle much higher peak currents making it suitable for warning device, alarm-systems, telephone ring repeaters and doorway alarms. It may be added to personnel detectors of most types.
Technical Specification