PrecisEQ is a rootless system-wide sound quality enhancer that offers presets for various headphone models and a parametric EQ for precise audio tuning.

Headphone optimization: PrecisEQ accurately calibrates the frequency response of your headphones enhancing the overall sound quality. Currently PrecisEQ supports hundreds of headphones with more to come.

Optional target frequency response: PrecisEQ offers optional target responses including Etymotic Harman and Diffusion Field. All supported headphones can freely switch between these targets allowing you to experience the research results from renowned acoustic laboratories firsthand.

Parametric equalizer: It features a robust parametric equalizer with support for over 100 bands of EQ common filter types gesture operations and real-time display of your headphone's current frequency response curve. The interface is not only aesthetically pleasing but also user-friendly and powerful.

System-wide EQ: All the aforementioned functions can be applied to other apps through the System-wide EQ feature (available only on Android 9 and above).

PrecisEQ is dedicated to enabling more music enthusiasts to enjoy high-fidelity music.