Progressive house mastering that keeps the depth of a long build.
Progressive and organic house build slowly and rely on space, layered textures and a steady groove. ZERRRO Engine masters them to club level with a profile that keeps the depth, and you hear every step while it plays.

The engine’s default for Progressive House: club-ready without losing depth.
Organic house sounds best more dynamic. Its profile aims lower.
The streaming master keeps the long build intact.
What a progressive house master has to keep
Progressive house is about depth and development. The master adds weight and polish without flattening the layers that make the track evolve.
Depth between the layers
Pads, plucks and textures sit at different distances. Heavy limiting pulls them all to the front.
A groove that rolls
The bassline and kick carry a steady, hypnotic groove that needs weight, not pressure.
A build that still builds
A 7-minute track needs dynamic movement. The master should not make minute two as loud as minute five.
Hear it. Shape it. Then decide.

Upload & check
Bit depth, sample rate, true peak, clipping and loudness of your premaster are measured in seconds. If the file is already limited or clipping, you find out before anything is processed.

Pick Melodic & Progressive → Progressive House
The engine uses a reference profile built from released progressive house and adapts it to your mix. Organic House and Melodic House & Techno are separate profiles in the same group.

Shape it while it plays
Choose a warm or soft character, drag the EQ dots, or type “warmer, more depth”. Auto sets the loudness for the subgenre.

A/B and decide
Compare the master with your mix at matched loudness, read the measured LUFS and true peak, and render again for free if it is not there yet. You pay only when you download.
Preview free. Pay only for the download.
When you unlock a master
- The master you heard, full length, as 24-bit WAV and 320 kbps MP3
- Your loudness target, true peak never above 0 dBTP (−1 dBTP for streaming)
- Download link right away and by email
- Files kept in My Masters for 12 months
Before you upload
- 24-bit WAV at your project’s sample rate
- 3 to 6 dB of headroom, no limiter on the master bus
- Full length, including the long intro and outro
- Reverb tails fully rendered
Questions producers ask
How loud should a progressive house master be?
Around −9 LUFS integrated for the club is what the engine’s Auto setting picks; organic house nearer −10. The limiter ceiling is 0 dBTP at club loudness; for streaming, around −14 LUFS at −1 dBTP.
Does it work for organic house?
Yes, Organic House is its own profile with a lower loudness target and a warmer balance.
Can I master a 10-minute track?
Yes. Long tracks are fine; the preview plays the whole track.
Is it free?
The full-length preview and the A/B are free. You pay one credit, from 2.99 EUR, only when you download.
Hear your track mastered first. Decide after.
Drop a premaster or take one of the demo tracks for a spin. Free, right now, in your browser.
Master a track free → No signup to preview · no card · no install