BOGEN TG4C / TG4CREQUIRES BOG-PRS40C ADAP

4 types of tones: steady, pulsed alarm, slow whoop, and chime Tones triggered by external contact closure (momentary or long duration) Choice of continuous generation of tones or two-burst operation (except for steady tone) External audio signal can pass through TG4C and is suppressed during tone generation Adjustable tone level and pitch 600-ohm output