mszlztd for roland psb-120 electronic keyboard 9v2a power supply adapter, compatible with roland psb-120, psb-1u, acb-120, acf-120, ack-120, aci-120 electronic keyboard 9v power adapter replace part is up for auction in Musical Instruments. This item is in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.