Firmware loaders for M-Audio/Midiman USB MIDI and Audio devices These package allows you to use some of M-Audio's USB MIDI and Audio interfaces with Linux. These devices require a firmware download before a driver (e.g. ALSA's snd-usb-audio) can access them. Supported devices include MidiSport 1x1, MidiSport 2x2, MidiSport 4x4, MidiSport 8x8, KeyStation (old models: 49, 61), Oxygen, Radium49, Radium61, and Uno.