dbx 231s Dual Channel 31-Band EqualizerBrand: dbx Features: Dual 31 band, 1 3 octave constant Q frequency bands Switchable boost cut ranges of 6 or 12 dB Front panel bypass switch 12 dB input gain range 4 Segment LED ladders for monitoring output levels Inputs: " TRS and female XLR (pin 2 Hot) Outputs: " TRS and male XLR (pin 2 Hot) Publisher: dbx Release Date: 01 01 2013 Details: When the pros need an EQ, they turn to db. With a proven track record that spans four decades, dB EQs are the