High Band - sweepable from 1.2KHz to 25KHz with peak/shelf select switchMid High Band - sweepable from 300Hz to 7KHzMid Lo Band - sweepable from 80Hz to 1.6HzLo Band - sweepable from 20Hz to 300Hz with a peak/shelf select switch+/- 12dB cut & boost level for all 4 bandsAdjustable bandwidth control for all 4 frequencies .20 to 2.0 per octave41 detents on all frequency and level attenuators (recallable)31 detents on all band width attenuators (recallable)Dual concentric knobs for frequency and bandwidth controlsLighted push button EQ in/out switchVF600 All Discrete Amp BlocksDifferential balanced transformerless inputBalanced output transformerFits standard 500 Series slot configuration mechanically and electrically