This is a 15V fixed-voltage power supply adapter designed to meet the exact power specifications of your Korg B2S, B2SP Piano. NOTE: Before you purchase, please verify that your Korg B2 is not the version that requires a 12 Volt power supply. That model is known as the Korg B2N and is not compatible with this product due to incorrect voltage and connector mismatch. If you have any questions, before purchasing. Specifications: - Output voltage: 15V - Maximum output current suitable for your device - Correct output tip size and polarity, 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: - Fully compliant with safety standards and includes overvoltage, overcurrent, and short-circuit protection to safeguard your device - RoHS and CE certified - Energy Star Level 6 approved for efficient power delivery and reduced energy costs - Backed by a 2-year warranty: if the adapter fails within 2 years of purchase, it will be replaced at no cost