... band parameter EQ,Gain, Delay, Polarity, Crossover, Limiter ,Signal select. Key word:Professional Speaker: 96k Hz sampling frequency, 24-bit ... Output channelWith 6-band parameter EQ,Gain, Delay, Polarity, Crossover, Limiter/Compressor,Signal select. Build in USB & RS 485 ... be adjusted. Filter type :Linkwitz-Riley; Bessel; Butterworth. The Crossover Frequency: 20Hz~20KHz, Slope: 12dB/oct; 18dB/oct; 24dB ...