MyVolts 12V power supply adaptor compatible with M-Audio Axiom 49 Keyboard - US plug This 12V high-quality power supply adapter serves as a replacement PSU for the M-Audio Axiom 49 Keyboard. The adaptor features overvoltage, overcurrent and short circuit protection to protect it from damage. Package Includes: - US 12V power supply adaptor; Please note: some M-Audio Axiom 49 keyboards take 9V, some 12V. This is for the 12V 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. This is a fixed voltage 12V power supply adaptor designed to meet exactly the power specification of your device. Lifetime warranty - this power supply comes with a warranty covering up to the lifetime of your device, or 10 years - whichever is greater. Energy efficient - this power supply is Energy Star level 5 approved, guaranteeing more efficient delivery of power to your devices, at less cost to you.