Check the listing for details. Novation FLkey 49Key MIDI Keyboard Controller for FL Studio with Custom Modes. Condition: Open box. Listed at 212.99 USD. It allows complete hands-on music production in FL Studio. Use the pads to change or create new patterns without switching back to your computer. Give your rhythms a real human feel and get off the grid - play straight into the Channel Rack or FPC, and trigger slices in SliceX.