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 voltage and connector differences. If you have any questions, contact the seller before purchase. Specifications: - Output voltage: 15V - Maximum output amperage suitable for the device - Correct output tip size and polarity, tested for compatibility - 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: - Designed to meet safety standards with 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