M-Audio
iControl for GarageBand: user interface
iControl delivers total tactile control over GarageBand. Dedicated transport buttons and jog wheel put record and playback functions at your fingertips. Its eight rotary knobs are easily assigned to track functions like volume and pan, or to parameters for effects such as GarageBand’s EQ or any other Audio Unit plug-in. iControl puts you in complete creative flow with your GarageBand experience.