Hear your headphones the way you want, or voiced like another headphone entirely. Then actually listen and choose. Your data and the core audition stay free.
Measurement sites can tell you what your headphones do. None can tell you what they dofor you, and none let you actually hear the difference.
A frequency-response curve is a chart to read, not a thing to hear. Two people looking at the same line want two different tunings, and neither can tell from the graph.
Harman. Diffuse-field. Neutral. Every tool hands you one preset curve and calls it right. Your gear and your taste never got a vote.
Most tools stop at data and presets. The one thing that matters, hearing it on your music and choosing, is left to you.
The graph becomes the surface you're hearing through, not a chart you're reading. Everything runs in real time on your own music.
Search a curated library of popular wired cans & IEMs, or import your own measurement (CSV, AutoEQ, squig).
A blind, loudness-matched face-off plays on the track you're already hearing. Just tap the one you like. A or B?
Each choice nudges a personal offset. Watch your curve build on the graph. Bespoke, not a canned preset.
Flip Stock ⇄ Yours to hear what you gained. Save the profile per headphone, then listen for real.
Six quick choices (A or B?) on your own music, gain-matched so loudness never tips your hand. No sliders, no theory. You do the deciding.
Curious how a different headphone is voiced? Match its tonal signatureand hear how that balance would sit on the headphones already on your head: blind, loudness-matched, on your own music.
Built by people who've spent a career measuring headphones and building the tools to compare them honestly — side by side, level-matched, with no hype in between.
The same work continues in Attune, powered by Warren Labs' shipping Level correction engine: the loudness-matched, click-free DSP trusted in the studio. A Sonic Temple product.
Your data and the core audition are free, forever, no card. Membership opens the growing measurement library, cloud sync, and the Sonic Temple community: a clean forum, plus a profile that earns points and levels as you contribute.
Charter locks in lifetime membership for a one-time $299, plus a founding badge and a hand in the roadmap.
Bring your own headphones and the music you know. In under a minute you'll hear the difference and keep the profile. The beta is free.