After these steps you can review the normal recording procedure. As most audio device drivers only support one audio device, you can select either to your USB microphone or audio interface but not both. The problem: If you use the F10 - Audio Settings to select your USB microphone, then you can't hear sound from FL Studio and if you select your audio device you can't record your microphone. This section covers the special issues raised by USB microphones. Recording with USB Microphones and Headsets