Novation Launchkey 49 MK3 USB MIDI Keyboard LAUNCHKEY-49-MK3 B&H
Korg KONTROL 49 MIDI Controller Keyboard 49 keys Electronic piano Velocity | eBay
Amazon.com: Alesis V49 - 49 Key USB MIDI Keyboard Controller with 8 Backlit Pads, 4 Assignable Knobs and Buttons, Plus a Professional Software Suite Included : Everything Else