Amazon.com: Zreephy 3-Pedal For Digital Keyboards Pianos,Three Foot Pedal Unit Compatible With Yamaha P223, P145 Electric Digital Pianos : Musical Instruments
Yamaha MX88 Stage Bundle 88-Key Stage Keyboard with Pro Stand and FC3A Sustain Pedal | Full Compass Systems
Pedal cable, Yamaha - Syntaur
Yamaha digital piano pedal connector - Music: Practice & Theory Stack Exchange