Choose the Casio SP-33 three-pedal board when you want to play your Casio Privia digital piano with the most expression possible. The SP-34 is a 3-pedal unit providing a sustain pedal, a soft pedal, and a sostenuto pedal. The SP-34 even features an extended-damper function that simulates a pedal being pressed down halfway, for even more expression. Note: Requires CS-68 stand • 3-pedal unit • Sustain, soft, and sostenuto pedals • Extended-damper function simulates the response of a half-pressed pedal • Compatible with Casio PXS Pianos • Requires CS-68 stand