This is a 15V fixed-voltage MyVolts-branded power supply adaptor designed to meet exactly the power specification of your Korg B2S, B2SP Piano. NOTE: Before you buy, please double-check if your Korg B2 is NOT a version that requires a 12 Volt power supply unit. That version is called Korg B2N and this product is not compatible with it (the voltage is incorrect and the connector will not fit). If you have any doubts or questions, please get in touch with us before you buy. Specifications: - Output voltage is 15V - Max. output amperage is correct for your device - Output tip is the right size and specification - we've tested it thoroughly - 2-pin plug for use with the Type C (EU) wall sockets - Input voltage is AC100-240V, 50/60Hz In addition, this -branded replacement power supply for Korg B2S, B2SP Piano is: - Compliant with all safety standards, and features overvoltage, overcurrent and short-circuit protection to protect your device from damage - RoHS and CE-certified - Energy Star level 6 approved, guaranteeing more efficient delivery of power to your devices, at less cost to you - Covered by a 2 years' warranty: if the power supply fails within 2 years from the date of purchase, we'll replace it, no worries.