M-AUDIO KeyStudio 49i MIDI Keyboard OEM Part: OCTAVE Button & LED Circuit Board

M-AUDIO KeyStudio 49i MIDI Keyboard OEM Part: Control Knob Encoder PCB Board

M-AUDIO KeyStudio 49i MIDI Keyboard OEM Part: Main AC Power USB Input Board PCB

M-AUDIO KeyStudio 49i MIDI Keyboard Used OEM Part: Pitch Bend Mod Wheel Assembly

USB Data Cable Cord Plug for M-Audio KeyStudio 25 25-Note 49i 49-Note 49 Synth

M-AUDIO KeyStudio 49i MIDI Keyboard Replacement Part: Main Board Processor PCB

M-Audio KeyStudio/Oxygen 49 Replacement Keys

[FRS] M-AUDIO KeyStudio 49i MIDI Keyboard Used Part: Volume Knob Cover Cap