The dbx 1231 Dual Channel 31-Band EQ doubles up the on the spectrum-sculpting power of the company's 131 with a double stack of a equalization found in pro studios and home studios.

• Ins/Outs: Balanced/unbalanced inputs, servo balanced/unbalanced outputs


• Band range: 31 1/3 octave sliders


• Gain Range: +/- 12 decibels


• Other Features: 18dB/octave 40Hz low-pass filter, XLR and 1/4" TRS connectors