100V line mixer-amplifier with integral sound source. 5 input channels include a balanced XLR microphone input with switchable phantom power and Vox override, 2 mic/line jack inputs and 2 RCA line inputs. A built-in CD player provides audio playback alongside a USB/SD media player with an integral FM radio tuner. Bass & Treble EQ and Master volume control the overall output, which can power either low impedance or 100V line speakers. A comprehensive solution for commercial sound installations.