The PM3180 ProMatrix Digital Amplifier from Bogen has 3 channels of amplification with 100 60 and 20W of power for restaurant lounge/bar hotel factory or similar facilities where multiple program and paging inputs need to be distributed to separate areas and automatically switched. Priority levels can be assigned at 6 levels. Three integrated amplifiers have separate 4-8 ohms and 25-70V outputs. Each channel has inserts for external signal processing as well. The PM3180 has a plethora of features such as phantom power and automatic level control for microphones plus automatic fade-in of audio source after a mic page or when switching to a lower priority. The front panel functions can operated up to 25" away with available data cord or use the remote control for programming away from the main unit. PM3180 PM3180 3 Channel Promatrix Amplifier Feature Highlights: PM3180 3 Channel Promatrix Amplifier, 100/60/20W Channels, 4 Auxiliary Inputs, 2 Microphone Inputs, Wireless Infrared Remote Controller.