Mr. Black DeluxePlus Reverb Effect Pedal w/Box - UsedThe Mr. Black Deluxe Plus is meant to give you the classic combination of reverb and tremolo that we all know and love. It features only 3 knobs making it incredibly easy to plug in and play. The Reverb knob controls the decay amount that is added to your signal, and the Intensity and Speed knob control the depth and rate of the tremolo effect. As Mr. Black states "Find a nice place to play. We recommend a quiet beach bathed in white sand and lined