What Is Audio Mastering?

Audio mastering is the final step in music production: it takes your finished stereo mix and polishes it for release — setting competitive loudness, balancing the overall tone, and making sure your song sounds consistent everywhere it plays.

What audio mastering actually does

Mastering is the bridge between your mix and the listener. A mastering engineer works on the finished stereo file, not the individual tracks, to make the song loud, balanced and ready for every platform.

  • Sets competitive loudness so your song holds up next to commercial tracks
  • Balances the overall tone — not too dark, not too harsh
  • Creates consistency across all the songs in a release
  • Delivers streaming-ready files for Spotify, Apple Music and more

What mastering can't fix

Mastering polishes a good mix — it cannot rescue a bad one. If the vocal is buried, the low end is muddy, or instruments are fighting, those are mixing problems. No amount of mastering will fix a balance issue baked into the mix; it needs to be mixed first.

Learn more: Mixing & Mastering Services

AI mastering vs a real engineer

Automated AI mastering is instant and cheap, but it applies the same math to every track. It cannot hear that your vocal is harsh, cannot match your reference, and cannot revise. A real engineer makes decisions for your specific song and keeps working until it is right.

Learn more: Human Mixing & Mastering — Not AI

How much does mastering cost?

Prices vary, but professional online mastering is more affordable than most artists expect. At Luft On Records, mastering starts at $60 per song — with unlimited revisions and a free test master so you hear the result before you pay.

Learn more: Mixing & Mastering Prices

Frequently asked questions

Is audio mastering really necessary?

For a release, yes. Without mastering your song will be quieter and less consistent than commercial tracks on streaming platforms.

Can I master my own song?

You can, but mastering benefits from a fresh, experienced set of ears and a treated room. Most artists get better results from a dedicated engineer.

What do I send for mastering?

A finished stereo mix (WAV or AIFF) with headroom on the master bus and no limiter. That is all a mastering engineer needs.

How long does mastering take?

At Luft On Records, masters are delivered in 3–5 business days, with unlimited revisions included.

Curious how mastering will transform your track?

Get a Free Test Master