MyVolts 12V power supply adaptor compatible with M-Audio Oxygen 61 Keyboard - US plug This 12V high-quality power supply adapter serves as a replacement PSU for the M-Audio Oxygen 61 Keyboard. The adaptor features overvoltage, overcurrent and short circuit protection to protect it from damage. Package Includes: - US 12V power supply adaptor; Note: this is compatible with the M-Audio Oxygen 61 requiring a regular barrel-style tip only, not suitable for Mark III or IV. Please check the power input on your device before you buy. If you're not sure, get in touch - we'll help you figure it out. 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.