“So nothing stands between you and the sound.”
Every surface, seam and switch was reduced until only the necessary remained — an object you stop noticing the moment the music begins.
Aluminium · Nappa leather · Memory foam
A single milled aluminium volume, suspended on a slim yoke. No visible fasteners.
A leather-wrapped headband distributes 285 grams so evenly you forget it is there.
Bio-cellulose 40 mm drivers, tuned by hand across 400 hours of listening.
Eight microphones read the room 48,000 times a second and remove what you did not ask for.
Noise · 84 dBAdaptive ANC · onTESOUND ONE continuously adapts to your surroundings, creating space for what matters — then hands the world back the moment you need it.
Bio-cellulose diaphragms in a sealed aluminium chamber. Sub-bass you feel at 20 Hz without a trace of colouring further up.
Eight microphones sample the room 48,000 times a second and rebuild the inverse in under a millisecond.
Head-tracked rendering that keeps the stage still while you move — off by default, because not everything needs to move.
Two devices at once, 24-bit over aptX Lossless, and a connection that does not think about itself.
Two working weeks of commuting per charge. Five minutes on USB-C returns five hours.
One cable for power, one for lossless audio. The same cable.
A
B
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Three finishes, one object. Each anodised in a single pass so the colour lives in the metal rather than on it.
Four hours of nothing, and you choose what fills it.
TESOUND was created around a simple idea: technology should disappear when the experience begins.
We started in a workshop in Copenhagen with one instruction pinned to the wall — remove, don’t add. Four years later, TESOUND ONE is what was left.
Copenhagen · Kyoto · Lisbon
Silence is not the absence of sound. It is room to hear.
“The first headphones I’ve worn all day without thinking about them.”
Pure sound. Nothing else. Adaptive silence, forty hours of it, in a body you stop noticing.
Step into a different kind of listening experience.
