διάσωση όριο Πολύτιμος usb keyboard 49 Μαλώνω δύσκολος σε ενοχλούν
Novation Impulse 49 USB Midi Controller Keyboard with Stand & Sustain Pedal - Walmart.com
Novation Launchkey MK3 49-Key USB MIDI Keyboard Controller - Fretworks!
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