Amazon.com: MaxLLTo AC Wall Power Supply Adapter 9V, MaxLLTo AC 100-240V to DC 9V Transformers, 1 Amp, 2.1mm X 5.5mm Charger Cord for Roland Boss DB-90 DB90 Metronome Dr Beat Wall Charger
Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Roland F-90-BK Keyboard - US Plug : Tools & Home Improvement
Amazon.com: T POWER Ac Dc Adapter Charger for Roland PSB-14U VI115 FP-90 FR-8x FR-8xb Boss HPi-50 HPi-50e HP-505 HP-506 Karimoku Kiyola KF-10 Piano Keyboard Pro Supply Cord : Musical Instruments
Amazon.com: UpBright 9V AC/DC Adapter Compatible with Roland FP-2 FP-3 F-30 F-50 FP-4 GR-1 GR-30 E-36 F-90 F-100 Digital Piano Keyboard Boss Boss BR-8 Digital Studio SDYMO LM210D LM-200 LM-150 Koss D48-09-1200 :
Roland Roland, Acoustic Guitar Amplifier AC – 90 : Musical Instruments - Amazon.co.jp
Amazon.com: PwrON AC to DC Adapter for Roland DP-90S DP90S DP-990 DP-990F DP990 DP990F Digital Piano Charger, Roland DP-90 DP-90e DP-90Se DP90 DP90e DP90Se Supernatural Digital Piano Supply Cord : Musical Instruments
Amazon.com: PK Power AC/DC Adapter for Roland DP-90 DP-90e DP-90Se DP90 DP90e DP90Se Supernatural Digital Piano Supply Cord Cable Charger Mains PSU : Musical Instruments
Amazon.com: PwrON (6.6FT Cable) Globe AC Adapter for Boss Metronome DB-66 DB-88 DB-90 Roland DC Power Supply Cord Charger : Electronics
Amazon.com: HQRP AC Adapter/Power Supply Compatible with Roland Ep-35, Ep-70, Ep-707, Ep-7mkII, Ep-9, Ep-90, JW-50, JX-305 [UL Listed] + Euro Plug Adapter : Electronics