M-Audio O2 is a mobile USB MIDI controller that is perfect for creating music anywhere. It features 25 full-size, half-action keys, 8 fully assignable knobs, 8 fully assignable buttons and other real-time control features for performance and programming.
The M-Audio O2 is a compact, slim-line mobile USB MIDI controller featuring 25 full-size, half-action, touch-sensitive keys. It includes eight fully assignable knobs, eight buttons, and a programmable fader for real-time control of virtual studio parameters. Powered via a single USB connection or an optional external adapter, it serves as both a MIDI interface and bus-power source.
| Keyboard Size | 25-note velocity-sensitive keyboard |
|---|---|
| Velocity Curves | 9 velocity curves |
| Rotary Dials | 8 programmable rotary dials |
| Buttons | 8 programmable buttons |
| Power Input (External) | 9V DC output, 250-300mA, center positive |
| Memory Storage | 5 memory locations store all settings |
You can power the keyboard via USB or an optional external power supply, but you must use only one method at a time.
Press the Preset '+' and '-' buttons to recall one of the preset memories stored in the unit.
Hold down the Preset '+' and '-' buttons while switching the keyboard on.