Suno Mastering Checklist: What to Actually Do, Start to Finish
Metallic sound, stem smear, file format — we've covered all of it. Here's everything condensed into one checklist you can follow without learning any of the jargon.
The AI Track Master TeamAcross this series, we've covered three separate reasons a Suno track can sound off: harshness (metallic resonance), smear (stem issues), and file format (WAV vs MP3). This post doesn't re-explain any of that. Instead, it condenses everything into one sequence you can follow without knowing any of the terminology.
✓ What to do when you download from Suno ✓ What to do about stems ✓ What to do to clean up the sound ✓ What to check right before you release
Follow these four steps in order. If you want to know why at any step, we've linked back to the relevant post in this series — click through only if you're curious.
Step 1 — Download it the right way
Once your track is done, download it as WAV, not MP3. If you want the reasoning, we covered it in Suno WAV vs MP3: Which Should You Actually Download? — short version: starting from WAV never costs you anything.
Step 2 — Clean up the stems (optional but recommended)
If you have the time, use Suno's Advanced Split to separate vocals, drums, and bass. If the vocal has too much reverb baked in, run Remove FX on it. You can skip this step, but if your track still feels smeared afterward, this is usually why. We go into the reasoning in Fixed the Metallic Sound With EQ — Why Does My Suno Track Still Sound AI-Generated?
Step 3 — Clean up the sound
From here there are two paths.
If you want to learn the terms and do it yourself: use dynamic EQ to tame the harshness, ease off the low-mids slightly, and match loudness to your genre. We walk through each of these in Why Your Suno Tracks Sound Metallic and Quiet.
If you want to skip the jargon and get it done fast: upload your WAV to an automated tool like aitrackmaster.com and hit Master. Everything happens in your browser — nothing gets saved to a server.
Step 4 — One last check before you release
- Listen on a single (mono) speaker at least once. Problems that stay hidden in stereo can show up here.
- Compare the loudness against a few other tracks — does yours sound noticeably smaller?
- If you're not sure it's perfect, release it anyway and apply what you learn to the next one. Waiting for a perfect track is worse than shipping a good one.
The full checklist
| Step | What to do | Read more |
|---|---|---|
| 1 | Download as WAV | Part 3 → |
| 2 | Clean up stems (Advanced Split, Remove FX) | Part 2 → |
| 3 | Clean up the sound (dynamic EQ, low-mids, loudness) or auto-master | Part 1 → |
| 4 | Check in mono, compare against other tracks | — |
That's the whole process. Getting the track out matters more than getting it perfect.