What is the Difference between Mixing and Mastering?
By Michael Venia
From the engineer's desk
What's the Difference Between Mixing and Mastering?
They're two separate stages in music production — both matter, both serve a different purpose. If you've ever been unsure which one you need, this post settles it.
✦ 6 min read✦ Interactive production flow✦ Beginner friendly
Mixing and mastering get lumped together constantly — on pricing pages, in studio conversations, in YouTube tutorials. They're related, they often happen in sequence, and they're both part of getting a song finished. But they're not the same thing, and understanding the difference changes how you think about your entire production process.
The short version: mixing is where you work with individual tracks. Mastering is where you work with the finished stereo mix. One comes before the other, and they require completely different skills, tools, and listening approaches.
The production journey — click each stage
Every song goes through a series of stages from the first note to release. Click any step below to understand what happens — and who's responsible for it.
Music production stages — click to explore
🎸
Recording
🎹
Editing
🎛
Mixing
💿
Mastering
🚀
Distribution
🎛
Mixing
Mixing stage
Mixing is where individual tracks — vocals, drums, guitars, synths, bass — are combined into a single stereo file. The mix engineer balances levels, shapes the tone of each element with EQ, controls dynamics with compression, adds space with reverb and delay, and makes everything sit together cohesively. You're working with stems and individual tracks here.
Key point
Mixing requires access to all the individual tracks in your session. Once mixing is done and you export a stereo file, that's what goes to mastering. The mastering engineer never sees your stems.
Mixing and mastering — defined simply
Stage 3
Mixing
Working with individual tracks inside a DAW session. Balancing every element — levels, EQ, compression, effects — so they all sit together as a cohesive whole. When mixing is done, you export a stereo file.
Stage 4
Mastering
Working with the finished stereo mix — no individual tracks. Optimizing tonal balance, loudness, and dynamics for every playback system and streaming platform. The final step before distribution.
The one-sentence version
Mixing is building the song. Mastering is preparing it for the world.
Side by side — what each one does
Mixing
Mastering
What you work with
Individual tracks / stems
Stereo mix file (WAV)
Primary goal
Balance and cohesion
Translation and loudness
EQ
✓ Per instrument
✓ Broad, surgical
Compression
✓ Per track
✓ Glue + limiting
Reverb / effects
✓ Yes
Rarely
Sets streaming loudness
No
✓ Yes (LUFS)
Can fix individual elements
✓ Yes
No
Prepares for distribution
No
✓ Yes
Who provides the session
Artist / producer
Mix engineer
Common misconceptions
These come up all the time — worth clearing up.
✗
"Mastering can fix a bad mix."
✓
Mastering works with the stereo mix as a whole — it can't isolate and fix individual elements. If the vocals are too loud or the bass is muddy, mastering can reduce the impact of those problems slightly, but it can't solve them. Fix it in the mix.
✗
"If my mix sounds good to me, I don't need mastering."
✓
Your mix might sound great in your studio. Mastering ensures it translates — to earbuds, car speakers, Bluetooth speakers, club systems. It also sets the correct loudness for streaming platforms and makes sure it competes with professional releases.
✗
"Mastering just makes it louder."
✓
Loudness is part of it, but mastering is really about translation and consistency. A good master sounds right everywhere — not just loud. Ironically, masters that are pushed too loud often sound worse on streaming platforms, which apply their own loudness normalization.
✗
"I can do both at the same time on the same session."
✓
Technically possible, practically limiting. The reason they're separate is ear fatigue and perspective. When you've spent hours inside a mix, you lose objectivity. Mastering benefits from fresh ears — ideally a different person, on a different day, with different monitoring.
Do you need one, the other, or both?
🎛
You need mixing if…
You recorded live instruments, tracked vocals, or built a session with multiple elements that need to be balanced. If you have a session with tracks, you need a mix.
💿
You need mastering if…
You're releasing anything publicly — streaming, download, vinyl, sync placement, or radio. Even if you mixed it yourself and it sounds great to you, mastering is the final step before release.
🎵
You need both if…
You're releasing a professionally recorded track. The typical workflow is: producer delivers stems → mix engineer delivers stereo WAV → mastering engineer delivers final master.
What I do
I'm a mastering engineer. That means you send me your finished stereo mix — your WAV file — and I handle everything from there. I don't need your session files or individual tracks. If you're not sure whether your mix is ready for mastering, I'm happy to take a listen and give you an honest answer.
Your mix is done. Let's master it.
Send me your finished stereo WAV and I'll deliver a streaming-ready master in 24–48 hours. First-time clients get a free mastered sample before committing — hear the difference on your own track.
