JOEMEEK Meequalizer ControlsOperation of the Meequalizer is dead simple, and that’s the whole point.The Mid and Mid Freq controls allow you to adjust mid frequencies, from 500Hz to 3.5KHz, ±11.The Gain control allows you to adjust the output level ±11.Alt-click (Windows) or Option-click (Mac) any knob to reset any knob to its unity position quickly.