Clever Acoustics MA 4120 MKII Four-Zone Mixer Amplifier

The Clever Acoustics MA 4120 MKII is a rack-mounted installation mixer amplifier with four independently controlled output zones. Each zone has a one-hundred-and-twenty-watt RMS amplifier, giving four hundred and eighty watts RMS in total. Speaker terminals provide four- or eight-ohm low-impedance connections and twenty-five-, seventy- or one-hundred-volt line options. Input channels one to four use XLR and jack combination sockets with microphone, line or forty-eight-volt phantom-power selection; channel five accepts a stereo RCA line source. Inputs can be routed to the required zones, with physical gain, bass, treble and output-level controls. A telephone paging input, priority functions, zone line outputs and local monitoring support commercial installations. This is the MA 4120 MKII model identified by manufacturer code CRAM33, not a network-controlled DSP system. Loudspeakers, microphones and installation cabling are separate. Use only the appropriate output terminals for the connected load and follow the manual for mains selection and installation.