ACOUSTIC
Studio
IEMs
Every frequency shaped deliberately. Control over exaggeration. Discipline over drama.
Entry Line
Aki
A balanced introduction to the Hizumi acoustic philosophy. Clean mids, controlled bass, and long-session clarity.
Mid Line
Sora
Expanded stage and airy presentation tuned for spatial realism and delicate high-frequency detail.
In Development
Flagship
Kiri
The most complete expression of the Hizumi acoustic system. Resolution, depth, and tonal realism without compromise.
Under Development
Structure
Driver architecture designed for coherence rather than spectacle.
Balance
Controlled bass, natural mids, and extended highs without fatigue.
Endurance
Tuned for extended sessions where consistency matters.
Currently in Refinement
Our in-ear monitors are undergoing acoustic calibration and extended listening tests. Precision takes time.
Prototype Phase — Public Release Pending