Amazon.com: M-Audio EX-P | Universal Expression Pedal for Keyboards & SP 2 - Universal Sustain Pedal with Piano Style Action For MIDI Keyboards, Digital Pianos & More : Everything Else
Amazon.com: Zoom G1X Four Guitar Effects Processor with Built-In Expression Pedal + Zoom AD-16 9V AC adapter + Guitar Instrument Cable w Right Angle Plug + Photo4Less Cleaning Cloth - Deluxe Bundle :