This Behringer Ultragraph Pro FBQ3102 is a stereo, dual 31-band, rack-mountable graphic equalizer. It features illuminated fader knobs and active FBQ Feedback Detection System. The unit is in black and silver color and has analog circuitry with no digital processing. This equalizer is perfect for professional audio and musical instrument applications. Its customizable features include a variety of channels, analog/digital options, and effect/enhancements. Its model number is BEHRINGER ULTRAGRAPH PRO FBQ3102.