Funktion-One PSM12 Point Source Stage Monitor - 12" & 1.4"The PSM12 addresses a need for an extremely powerful yet compact Floor Monitor with the qualities of the ground breaking PSM18 in a much smaller package. It features a custom designed 4 voice coil 12 driver for maximum power at low frequencies and a 1. 4 compression driver for high frequencies. Funktion Ones unique driver technology allows the compression driver crossover point to be nearly an octave higher than is typical, resulting in an extremely