Main Act · free studio diagnostics

Choose your first signal.

Bring your headphones or bring your bounce. In either case, leave with one named weakness and a useful next rep.

Test my ears2 min · no fileCheck my mixPrivate · local
No file needed

Test my ears

Hear a boosted frequency, make the call, and learn which part of the spectrum your ear misses most.

Frequency acuityBroad → surgical
100 Hz1 kHz8 kHz
  • 10 progressive calls
  • About 2 minutes
  • Headphones recommended
Start Golden Ears
Bring a bounce

Check my mix

Compare your own track with a genre reference and find the band that is furthest out of range.

Illustrative read Local only
Low end
Midrange
Dynamics
Width
  • First full read free
  • Usually about 10 seconds
  • File stays in your browser
Open private Mix Check

No account to begin

Value before signup

No fake percentile

Comparison only when the sample earns it

Your audio stays yours

Mix Check never uploads the file

The result is a handoff

Know what to practice next.

A score is forgettable. A named frequency region, tied to the decision it controls, can change what you hear tomorrow.

Example · Golden Ears read

250 Hz

Missed most often

Low-mid buildup is where weight turns into mud and boxiness.

Saved-result handoff

First session opens on frequency recognition weighted toward this range.

Example · Mix Check read

Low mids

Furthest from the genre reference

The mix has more energy here than the selected reference range.

Saved-result handoff

First session opens on isolating the band before you try to fix it.

Main Act Studio Mix

A benchmark, not a verdict.

The point is not to win a badge. It is to shorten the distance between hearing a problem and making the right move. Save your finding, train it, then return with sharper ears or a new bounce.

Build my first session

Free account. No card.

  1. Benchmark

    Measure the signal you have today: your hearing or your mix.

  2. Train the miss

    Practice the frequency decision your result actually exposed.

  3. Return sharper

    Retest when the calls get easier or the mix has changed.

Your signal is ready

What can you bring right now?

Headphones and two minutes, or the bounce already on your desktop. Both paths start free.

Test my ears Check my mix