OMNITRONIC MP-500P is a 500 W RMS PA mixing amplifier with an integrated USB and SD audio player and IR remote control. It provides three microphone inputs with separate level controls, three stereo RCA line inputs, a stereo RCA line output, master volume, treble and bass controls, switchable chime, microphone priority, and a 7-digit LED level meter. The amplifier supports 4–16 ohm, 70 V, and 100 V speaker systems and is designed for 19-inch rack installation in 2 U.