Adjustable crossover ( HPF / LPF / BPF from 20 Hz to 20 kHz ) Selectable crossover slopes ( 6 to 48 dB/oct ) Crossover types ( Bessel / Butterworth / Linkwitz-Riley ) Equalizer ( 8 x 31 bands ) Time alignment ( 0-20 ms / 0-692 cm / 0-272" ) Selectable phase shift ( 0 or 180 degrees ) 6 Memory presets