While we call the M3 Carbon our midrange it is actually a wideband loudspeaker capable of playing from 125 Hz up to 20,000 Hz. We recommend a highpass crossover point equal to or greater than 300 Hz with a 24 dB/octave slope.
tm-65 @ 80 Hz 12 dB
M3 @ 300 Hz 24 dB
M-25 @ 6 kHz 24 dB