MyVolts 9V power supply adaptor compatible with M-Audio Axiom 49 MIDI controller - US plug This 9V high-quality power supply adapter serves as a replacement PSU for the M-Audio Axiom 49 MIDI controller. The adaptor features overvoltage, overcurrent and short circuit protection to protect it from damage. Package Includes: - US 9V power supply adaptor; Please note: some M-Audio Axiom 49 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. This is a fixed voltage 9V 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.