NP-31 - Overview - Piaggero - Keyboard Instruments - Musical Instruments - Products - Yamaha - United States
Amazon.com: Yamaha NP32 76-Key Lightweight Portable Keyboard with PA130 Power Adapter, White : Automotive
Amazon.com: Generic Compatible Replacement AC Adapter Charger For Yamaha Piaggero NP 31 NP 11 NP V60 NP V80 keyboard Power Cord : Musical Instruments
Amazon.com: PK Power 12V AC/DC Adapter for Yamaha PIAGGERO NP31 NP11 NP30 NP 31 NP 11 NP 30 Portable Grand Digital Piano Keyboard 12VDC Power Supply Cord Cable PS Wall Home Charger :