Use your foot to achieve hands-free real-time control of synth functions and effects with our KEP100 Expression Pedal. The control knob adjusts the range of expression to suit a variety of applications and playing styles. For universal compatibility, a polarity switch enables use with virtually any keyboard with a 1/4" TRS expression jack. The smooth action of the cam and nonslip foot surface deliver easy, precise operation while the heavy-duty chassis ensures reliable performance.