It is possible to use up to 16 MIDI controllers simultaneously, for more details see the Multiple controllers & multiple plugin channels There is also a MIDI Controller Scripting forum where you may find scripts for your controller. It is possible to create custom MIDI scripts for any controller. Knobs can also be linked to virtually any control in FL Studio. To play a synthesizer or other instrument in FL Studio, using an external keyboard, select the Instrument button in the Channel Rack and play the controller keyboard. Controller Devices USB & MIDI Controllers General controller supportįL Studio supports all USB/MIDI controller keyboards, keyboard synthesizers, pad controllers/drums with MIDI output and all other similar devices with General MIDI output.