This is a 15V fixed-voltage power supply adaptor designed to meet the power specifications of your Korg B2S, B2SP Piano. NOTE: Before purchasing, please verify that your Korg B2 is not a model requiring a 12 Volt power supply. The 12V model is designated as Korg B2N and is not compatible with this adaptor due to incorrect voltage and connector size. If you have any questions, contact the seller prior to purchase. Specifications: - Output voltage: 15V - Maximum output amperage suitable for your device - Correct output tip size and specification, thoroughly tested - 2-pin plug compatible with Type C (EU) wall sockets - Input voltage: AC 100-240V, 50/60Hz This replacement power supply for Korg B2S, B2SP Piano is: - Compliant with applicable safety standards and includes overvoltage, overcurrent, and short-circuit protection - RoHS and CE certified - Energy Star Level 6 certified for improved energy efficiency - Backed by a 2-year warranty: if the unit fails within 2 years of purchase, it will be replaced