Modiel is actually a MC4.50, look at first pic.
Memphis 16-MC4.50
RMS POWER @ 4ohms-50W x 4
RMS POWER @ 2ohms-70W x 4
RMS POWER @ 1ohms-N/A
BRIDGE MONO POWER @ 4ohms-140W x 2
THD% @ 4ohms-0.10
FREQUENCY RESPONSE-20Hz - 20kHz
DIMENSIONS (7.77"x2.24"x)-12.59"