The range consists of the M-Flex 12 (12" unit + 1" compression driver with Mylar diaphragm), M-Flex 15 (15" unit + 1" compression driver mounted behind a 90° x 40° CD horn) - both of which feature linear response up to 19kHz - and the M-Flex S sub for reproduction of frequencies from 150Hz and below.
Mach can be found on stand E54/E56.