HQRP Sustain Pedal/FS controller is suitable for all electronic keyboards, synthesizers, tone modules or drum machines with 1/4" phone jack sustain-pedal input. The pedal is made in foot switch style and has a specially designed lower rubber part allowing the pedal to stay in place while you play.Compatible with Yamaha YPG-235 / YPG-535 / YPT-230 / YPT-330 Keyboards.