This is a 9V fixed-voltage MyVolts-branded power supply adaptor designed to meet exactly the power specification of your M-Audio Axiom Air 61 Keyboard. Please note: some M-Audio Axiom 61 keyboards take 9V, some 12V. This is for the 9V model. Please check your model carefully before you buy. If you're not sure, get in touch, we'll tell you exactly which one to get for your model. Specifications: - Output voltage is 9V - 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 myVolts-branded replacement power supply for M-Audio Axiom Air 61 Keyboard 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.