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Oxygen Pro 49 | USB MIDI Controller
Oxygen 49 (MKV) | M-Audio
M Audio Oxygen 49 MK4 USB Midi Controller Keyboard - from Inta Audio UK
M-Audio Oxygen Pro 49 – 49 Key USB MIDI Keyboard Controller With Beat Pads, MIDI assignable Knobs, Buttons & Faders and Software Suite Included : Amazon.co.uk: Electronics & Photo