Programmable digital 1/3-octave graphic equalizer powered with Alesis 28 bit, 1K-DSP technology- 8-independent channels of EQ: 30-bands, +/-12dB, 0.5dB resolution- 8-channels of analog I/O (quarter inch balanced TRS connectors, switchable +4dBu/-10dBv),- 8-channels of digital I/O (ADAT Optical in and out)- MIDI in and out- 50 preset EQ curves, plus 100 user-recallable EQ curves