Alesis ASP-2The Alesis ASP 2 is the perfect product for keyboard players who want the most realistic pedal action. Designed to work and feel just like an acoustic piano's sustain pedal, it has a specially designed rubber bottom that grips the floor and won't move while you play. This classic style pedal works with any Alesis digital piano, keyboard or MIDI controller and it also has a polarity switch for compatibility with virtually all other branded keyboards.