AutoEQ — A massive, community-maintained database of parametric and graphic EQ profiles for headphones.

AutoEQ (github.com/jaakkopasanen/AutoEq) algorithmically generates correction EQ profiles from raw headphone measurements, targeting a configurable reference curve — Harman, diffuse-field, or your own. Tools like EQ APO + Peace or Roon can be used alongside these profiles to tune sound to taste. It covers thousands of headphones and IEMs, outputs settings compatible with EQ APO, Peace, Wavelet (Android), and more — making it the first stop whenever you pick up a new pair and want to know if the tuning can be improved before spending a penny.

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This resource is part of the headphone.directory resource index — a growing collection of personal audio tools, software, communities, and makers. A new resource is added every day in the morning digest.