Xtreme Sustain Pedal for Keyboards & Digital PianosPiano style pedal with built in 6ft cord and polarity switch. Compatible with any electronic keyboard with input jack. A full size piano style pedal that is perfect when you need a sturdy and responsive control over sustain. This high quality pedal features a polarity switch making it compatible with virtually any keyboard. The heavy duty spring allows for better control and durability. Compatible with all keyboards and digital pianos with a sustain