
Ondine One
Machined from a single billet. Tuned by ear.

Ondine One — Over-ear, Edition 01
Headphones cut from solid aluminium in Brooklyn, tuned by ear in Copenhagen.
Every part replaceable. Every pair tuned by ear.
Explore Ondine One(Manifesto) — Est. 2019, Nørrebro & Red Hook
We build headphones the way Copenhagen builds chairs and Brooklyn builds bridges — from solid stock, by hand, to outlast the music you love now.
(The range) — 02
Hover a piece to look inside it. Every render on this page is computed live from code — no photographs.
(Listening room) — 03
Before any cup is anodized, it is clamped to a plate and played. Sand finds the nodes — the places where nothing moves. If the figure is clean, the metal is honest. Play a tuning note and watch the plate listen.
Sound plays only when you press a note. Move across the plate to disturb the sand.
(Finishes) — 04
(Atelier) — 05
Two workshops, 6,200 km apart, one shared drawing. Our acoustic engineers in Copenhagen set the tolerances; our machinists in Brooklyn hold them to four microns.