User manual M-Audio KeyRig 49 (English - 24 pages)
M-Audio KeyRig 49 - USB MIDI Keyboard Controller 9900-52239-10
M-Audio KeyRig 49 Repair Parts and Accessories - Syntaur
Amazon.com: M-Audio Keystation 49 MK3 - Synth Action 49 Key USB MIDI Keyboard Controller with Assignable Controls, Pitch and Mod Wheels, and Software Included : Everything Else