Mixing & mastering
Mixing and mastering services
Mixing and mastering services from onyr1x, a music producer in Almada, Portugal, for artists anywhere. Send your stems or a stereo mix and get back a balanced, release-ready track, with the details agreed before any work starts.
- Based in
- Almada, Portugal
- Works
- Online, worldwide, or in the studio
- Genres
- Hyperpop, art-pop, pop, electronic, cinematic
- You send
- Stems or a stereo mix
- Pricing
- On request
- Languages
- English, Portuguese

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Mixing
Balance, EQ, compression, space and automation, so every part has room and the vocal sits where it should.
Mastering
Loudness, tone and consistency for streaming platforms, with a final file ready for your distributor.
Mix and master
Both, handled together: often the simplest route to a finished release.
How it works
- 1
Send your files
Stems for mixing, or a stereo WAV for mastering, plus a reference track you like the sound of.
- 2
Get a quote
I listen and reply personally with how I'd approach it and a clear quote.
- 3
Review and finish
You get the mix or master back, and we adjust it from your notes.
How to prepare your stems
- Export every track from the very start of the session so they line up
- Use WAV or AIFF at the session's sample rate, ideally 24-bit
- Switch off effects and limiters on the master bus
- Name files clearly: Lead vocal, Kick, Synth pad
- Leave headroom, with no clipping on any track
Send your song
Tell me about the song and paste a link to your files if they're ready. I'll reply with a quote.
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Questions
What's the difference between mixing and mastering?
Mixing blends the individual tracks of a song into one stereo file. Mastering is the final step: it sets the overall loudness and tone so the song sounds consistent on every speaker and streaming platform.
Can you mix and master online?
Yes. You send the files by link and everything happens remotely. If you're near Lisbon, you can also come to the studio in Almada.
What files should I send for mixing?
Stems: each track exported separately from the same starting point, as WAV or AIFF, plus one or two reference tracks.
How much does mixing and mastering cost?
It depends on the number of tracks and what the song needs. Send your project and you'll get a clear quote before any work starts.