Pixelfimstudios: How to Automatically Enhance Audio in Final Cut Pro X

Lickd Tutorials: How to Remove Background Noise with Final Cut Pro x

Will Chidlow: Remove white noise, hiss, static or background noise in Final Cut Pro

Apple: Enhance audio in Final Cut Pro

https://support.apple.com/nl-nl/guide/final-cut-pro/verc1fab873/mac

Ripple training: Matching Microphones in Final Cut Pro

Michael Kinney: How to Add Pro Audio Meters to iMovie for Mac

Dylan John: POWERFUL steps for creating BETTER VOICE AUDIO in Final Cut Pro 

Do It Yourself Videostudio: How to set the ideal audio levels for video

https://www.diyvideostudio.com/ideal-audio-levels-for-video/

Josiah Vaughan: How to Make Your Audio Sound AMAZING in FCPX (without any plugins)

Serge M: BEST COMPRESSOR SETTINGS FOR VOICE