Exporting audio for third-party mixing and mastering
If you want your music mastered, but don’t think you have the skills or plugins to do it yourself, one option is to hire a mastering engineer. One benefit a mastering engineer can provide is an independent set of ears. They will hear your song from an outsider’s perspective and may pick up on flaws or ways to enhance your music that you wouldn’t think of.
The mastering engineer will request that you do not put any limiters on your mastering track before sending them the track. They will likely request you leave some volume headroom in the master channel – usually at least 3 db - 6 db of headroom so that they have some volume space play around with. They like it when you give them lots of headroom. The more headroom you give them, the more noticeable the mastering effect will be on the song.
If you want to send a song to a third party to mix or master your music, you should send all the audio from...