HQRP Sustain Pedal for Yamaha DGX-230 / DGX-530 / DGX-640 / EZ-220 ; Piaggero NP11 / NP31 / PV60 / NPV80 ; PSR-E343 / PSR-E443 Keyboards plus HQRP Coaster HQRP&reg; Sustain Pedal Piano Style plus HQRP&reg; Coaster; Connector: 1/4 inch; The pedal is made in piano-style. Has a specially designed lower rubber part allowing the pedal to stay in place while you play. For all electronic keyboards, synthesizers, tone modules or drum machines with 1/4" phone jack sustain-pedal input. 200 days warranty!