
Nautilus chamber
A spiral rear chamber gives a 10 mm driver the bass of something twice its size.

A pebble of sound. Weighs less than a key.
$229 incl. VAT · ships in 2–4 days
True wireless in-ears with a sculpted pebble case that is milled, not moulded. Dual drivers, an acoustic chamber shaped like a nautilus, and a fit that disappears after a minute.
Finish — Bone Clear-anodized 6063, warm lacquer
Ondine Buds, braided USB-C cable, wool-felt pouch, a printed tuning certificate signed in Copenhagen.
Wipe aluminium with a dry cloth. Cushions, tips and grilles are user-replaceable. We stock every part for ten years and repair anything we make.

A spiral rear chamber gives a 10 mm driver the bass of something twice its size.

The case is cut from solid aluminium and closes on a magnet you can feel and hear.

Three ear-tip sizes plus a fit test that listens to your ear canal for 4 seconds.