- Bogen 100 watt public address mixer amplifier- Provides mixing of microphones telephone and auxiliary sources- 4 inputs: 1 MIC (Lo-Z) 1 AUX (Hi-Z) 1 TEL plus 1 selectable MIC or AUX- Each input controlled by an independent volume control- Treble and bass control- AUX muting by external contact closure for push-to-talk microphones- TEL input for telephone paging applications- TEL input voice-activated (VOX) mute over AUX input- Variable threshold for TEL input voice-activated AUX mute- Audio output for