You need to locate the (or the specific legacy driver for your exact OS version).
To install the M-Audio Radium 49 driver on your Mac, follow these steps: m-audio radium 49 driver mac
: Some users report that older Radium 49 units may require an external 9V DC power supply You need to locate the (or the specific
Since the official driver is dead, you must use third-party software to re-map the Radium 49’s controls. The Radium sends proprietary SysEx (System Exclusive) messages for its faders and knobs. You need a tool to translate those into standard MIDI CC (Control Change) messages. You need a tool to translate those into
While the Radium 49 is notoriously not class-compliant, some later "Silver" versions of M-Audio's 49-key controllers were. Plug the USB cable into your Mac. Go to . Open the MIDI Studio window (Window > Show MIDI Studio).
The Radium 49 allows you to split the keyboard into zones. This is useful for live performance.
If you are running an (High Sierra, Mojave, or earlier), you can still use the final official drivers. Below is the official driver history for the Radium 49.