AC/DC Adapter For Roland DP-90S DP90S DP-990 DP-990F DP990 DP990F Digital Piano | eBay
DP-990F - Roland DP-990F - Audiofanzine
Amazon.com: PK Power AC/DC Adapter for Roland DP-90S DP90S DP-990 DP-990F DP990 DP990F Digital Piano Supply Cord Cable Charger Mains PSU : Musical Instruments