Great performance at a great value! With finger-snap-simple operation and superior performance, the dbx 12 Series are mainstays in countless rigs, meeting the needs of the most demanding sound reinforcement environments while offering straightforward control. Precision engineered to provide years of maintenance-free operation in any application, the 12 series has proven itself on the road and in studios time after time. The 1231 offers 31, 1/3 octave bands with 45mm faders.