Online mastering for independent artists who want release-ready sound.
Send your stereo mix, tell us what you want, and receive a polished master back within 7 days. Fast, musical, reliable mastering for singles, EPs, instrumentals, and digital releases.
- Stereo mastering for one song.
- One included revision.
- 24-bit WAV master return.
- Notes-based service tailored to your style.
How the process works
The goal is to keep the process straightforward: order, send the file, receive the master, request a revision if needed, then release with confidence.
Place your order
Pay securely online and include your contact details plus any notes about genre, reference tracks, or release goals.
Send your mix
Upload your stereo file and send a WeTransfer, Dropbox, or Google Drive link after checkout. Send to: mastering@metronics.co.uk
We master it
Your track is carefully processed for clarity, balance, level, translation, and musical impact.
You receive the final
Your finished master is returned within 7 days, with one revision included if you need a small adjustment.
What to send
Please send your final stereo mix with enough headroom and no limiter on the master bus unless it is part of your sound.
- WAV or AIFF preferred.
- 24-bit if available.
- Sample rate left as exported.
- Reference track optional but welcome.
What you receive
You receive a clean, release-ready master prepared for dependable playback across headphones, speakers, and streaming use.
- Main mastered WAV file.
- One revision included.
- Delivery by email or transfer link.
- Friendly human communication.
Who it suits
This service is ideal for self-releasing artists, producers, songwriters, composers, beatmakers, and spoken-word creators who want a professional final stage.
- Singles.
- EP tracks.
- Instrumentals.
- Online releases and demos.
Frequently asked questions
Clear expectations help the process run smoothly, and these answers are here to keep the mastering workflow as simple and transparent as possible.
How long does it take?
Standard turnaround is within 7 days from receiving both payment and your mix file.
Do I get a revision?
Yes. One revision is included if you would like a small tonal, level, or balance adjustment after hearing the first version.
How should I send the audio?
You can upload your file after checkout and send a transfer link by email with your order name and track title.
Can I send more than one track?
Yes. For EPs, albums, or repeat work, contact us for bundle pricing before ordering or place multiple single-track orders.
Ready to get your track mastered?
After checkout, send your stereo mix by email or file-transfer link and include your order name, track title, and any reference notes.