Music & Instruments / Guide
How to Tell if a Sustain Pedal Works With Your Digital Piano
Check the digital piano’s pedal jack, polarity and support for half-pedaling before buying a sustain pedal.
Look up the owner’s manual for the exact piano. Find which jack accepts a sustain pedal and which pedal models the manufacturer lists. A plug that fits can still use different wiring or provide only basic on-and-off sustain on a particular keyboard.
Separate switching from half-pedaling
A switch pedal turns sustain on or off. A compatible continuous pedal can let the instrument respond to intermediate positions when the keyboard and sound support it. Yamaha’s half-damper pedal listing illustrates a pedal intended for compatible instruments. Check your keyboard’s manual before buying it or a third-party equivalent.
Check polarity and setup
Some pedals offer a polarity switch. If a pedal seems to sustain when released and stop when pressed, follow the keyboard’s connection and power-up instructions before changing a setting. Check the manual for a pedal assignment menu if the jack serves more than one purpose.
Test with the piano sound you use
Play a few notes and listen while pressing and releasing the pedal. If you bought it for half-pedaling, check that partial movement changes the result on a supported sound. Keep the packaging until you’ve confirmed the intended function.
