60W amplifier

3 models: 35, 60, and 100 watts4 inputs: 1 MIC, 1 AUX, 1 TEL, plus 1 selectable MIC or AUXEach input controlled by an independent volume controlTreble and bass controlsAUX muting by external contact closure for push-to-talk microphonesTEL input for telephone paging applicationsTEL input voice-activated (VOX) mute over AUX inputVariable threshold for TEL input voice-activated AUX muteOutputs for 4-ohm (direct), 8-ohm (C35 & C60 models only), and 16-ohm, 25V and 70V speaker systems (transformer coupled)Output jack to connect a recording device or booster amplifierOutput jack to connect a general-purpose 600-ohm matching transformer (model WMT1A)Thermal protection and electronic shutdownRack mountable with accessory mounting kit (model RPK50)Listed to UL standard 60065 for US and Canada