How to Prep Stems for Professional Mixing

January 26, 2026 · 5 min read

Abstract 3D render of separated audio waveforms

Sending stems to a mix engineer? The way you prepare your files can make or break your final mix. Here's exactly how to prep your session to get the best results and fastest turnaround.

1. Export All Stems from the Same Starting Point

Every stem should start from bar 1, beat 1 – even if the audio doesn't come in until later. This ensures everything lines up perfectly when the engineer imports your files.

2. Remove All Processing (Unless Intentional)

Turn off EQ, compression, limiters, and other plugins on your individual tracks. The exception: if an effect is part of the sound design (like a specific distortion on a synth), leave it on and note it.

3. Label Your Files Clearly

Use descriptive names like "Lead_Vocal_Main.wav" not "Audio_23.wav". Group similar elements:

  • Kick_Main.wav
  • Snare_Top.wav
  • Snare_Bottom.wav
  • HiHat_Loop.wav
  • Lead_Vocal_Verse1.wav
  • Adlib_Chorus.wav

4. Export at the Correct Format

Recommended: 24-bit WAV at your project's sample rate (usually 44.1kHz or 48kHz). Don't upsample – if you recorded at 44.1k, export at 44.1k.

5. Include a Reference Mix

Export a rough mix of your song so the engineer understands your vision. Label it clearly: "REFERENCE_MIX.wav"

6. Provide Session Notes

Include a text file or voice memo with:

  • BPM and key
  • Reference tracks (songs you want it to sound like)
  • Specific requests ("Make the 808 hit harder in the chorus")
  • Any effects you want kept

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