The OMNITRONIC MPZ-350.6P is a 350 W RMS, six-zone PA mixing amplifier for 70 V and 100 V constant-voltage loudspeaker systems and 4–16 ohm speakers. It provides three microphone inputs, three stereo line inputs, six independently switchable zone outputs, an MP3 player with USB and SD card support, IR remote control, adjustable microphone priority, chime, bass and treble controls, and overload, overvoltage and short-circuit protection. The 19-inch, 2 U housing uses fan cooling.