Mr. Black Deluxe Deluxe Plus Reverb/Tremolo Effect Pedal - UsedThis Deluxe Deluxe Plus provides two classic sounds reverb and bias modulating tremolo. The pedal has two switches that control the reverb and tremolo effects. The intensity and speed knobs control the tremolo intensity and speed. This pedal has a lot of reverb on tap and the reverb knob controls how much you want to dial in. The pedal is in very good condition, there is very little signs of wear. The knobs, footswitches and lights are in working