The 7 input channel mixer amplifier is designed for distributed paging and background music systems from small to medium speech privacy systems, and in applications where music on hold (MOH) plus paging is required. This series of public address amplifiers of versatile features and rated power from 30W, 60W, 120W to 240W. With 5 microphone/line inputs and 2 stereo input and tel input. The series mixer amplifiers will accommodate a variety of input sources including paging microphones, CD players, and digital music players. This 7 input channel mixer amplifier features muting and output options along with a very special bridge in/out feature to allow combining of multiple amplifiers in ballroom applications without the need for external relays. VCA remote level control circuitry is included which may be assigned to the background music input or globally for the entire amplifier.