Check the listing for details. Novation Launchkey 61 Mk4 Keyboard Controller. Color: Black, Condition: New. Listed at 329.99 USD. Step into the next generation of controller keyboards with Launchkey 61 MK4, Novation’s most expressive and advanced 61-key MIDI keyboard yet. Designed for producers and performers who need a spacious keybed and deeper hands-on control, this evolution of the MK3 line enhances every part of the creative process. Launchkey 61 MK4 delivers tighter DAW integration, refined features and a redesigned layout — all with seamless compatibility across Ableton Live, Logic Pro, FL Studio, Cubase, Reason and more. It includes MIDI over USB-C, a full-size 5-pin MIDI out and bus-powered operation for studio or stage. With semi-weighted keys, polyphonic aftertouch pads and a deeper connection between software and hardware, it’s built to take your music further.