Alesis ASP2 Sustain Pedal: Universal Keyboard Accessory

The Alesis ASP2 is a compact sustain pedal built for straightforward, reliable use across keyboards, synthesizers, and MIDI controllers. Its most distinctive practical feature is the polarity switch — a small toggle that resolves the common reverse-sustain behavior that occurs when a pedal and keyboard disagree on signal polarity. For players who move between different instruments or borrow gear, this means zero reconfiguration time. The chrome foot pedal and heavy-duty internal mechanism aim for a natural, piano-style action that communicates clearly underfoot without being stiff or mushy.

Built for both stage and studio contexts, the ASP2's compact footprint means it fits comfortably beside expression and volume pedals in any multi-pedal arrangement. The 6-foot 1/4" cable reaches most keyboard stand configurations without strain, and the rubber grip pads on the base engage well with carpet and low-pile surfaces. It's a binary sustain pedal — on or off — which covers the needs of the vast majority of keyboard players. Those requiring continuous controller input for half-pedaling will need a different tool, but for everyone else, the ASP2 delivers consistent, interference-free sustain that stays out of your way and lets you focus on the playing.