- 3 models: 35, 60, and 100 watts
- 4 inputs: 1 MIC, 1 AUX, 1 TEL, plus 1 selectable MIC or AUX
- Each input controlled by an independent volume control
- Treble and bass controls
- 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
- Outputs 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 amplifier
- Output jack to connect a general-purpose 600-ohm matching transformer (model WMT1A)
- Thermal protection and electronic shutdown
- Rack mountable with accessory mounting kit (model RPK50)
- Listed to UL standard 60065 for US and Canada