The Radium 49 has a legacy editor called Enigma. This software allows you to customize the knobs, sliders, and patches on the keyboard visually on your screen rather than pressing buttons on the hardware.
The Radium 49 is an older device that draws a significant amount of power from the USB bus. Modern Macs, especially MacBooks with low-power USB-C ports, may throw an error saying "USB Device Disabled - Too much power." m-audio radium 49 driver mac
Solution: You must use a Powered USB Hub. This is a hub that plugs into a wall outlet. The hub provides the power to the Radium 49, rather than the computer doing the heavy lifting. This resolves 90% of connection issues with vintage USB gear. The Radium 49 has a legacy editor called Enigma
If the lack of drivers is a dealbreaker, consider these modern controllers with excellent Mac support: The Radium 49 is an older device that