The OMNITRONIC MP-180P is a 180 W RMS PA mixing amplifier for 100 V, 70 V, and 4–16 ohm loudspeaker systems. It provides three microphone inputs and three stereo line inputs with separate level controls, an adjustable microphone priority circuit, USB and SD audio playback, IR remote control, switchable chime, bass and treble controls, and a stereo line output. The 19-inch, 2 U rack-mountable unit uses Class AB circuitry and forced-air cooling.