These are the HU crossover specs i found. # X'Over: The headunit features independent Front and Rear high-pass crossovers as well as a subwoofer low-pass crossover. * Front High Pass Filter: Select between 30, 40, 50, 60, 70, 80 ,90, 100, 120, 150, 180, 220, or 250 Hz at a slope of -12, -18, or -24 dB per octave; you can also select full-range * Rear High Pass Filter: Select between 30, 40, 50, 60, 70, 80, 90, 100, 120, 150, 180, 220, or 250 Hz at a slope of -12, -18, or -24 dB per octave; you can also select full-range * Subwoofer Low Pass Filter: Select between 30, 40, 50, 60, 70, 80, 90, 100, 120, 150, 180, 220, or 250 Hz at a slope of -12, -18, or -24 dB per octave; you can also select full-range I do not believe this will work for a 3 way setup, correct?