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This is the place to learn more about Thin-Ply Carbon Diaphragm (TPCD®) technology, applications and the latest developments.

Experiences from the world's first headphone using TPCD diaphragm

Feb 27, 2026 11:41:00 AM

Watch Jude Mansilla and Brian Murphy from head-fi.org discussing the world's first headphone featuring a Thin-Ply Carbon Diaphragm (TPCD) from Composite Sound in the CanJam Dallas preview. Explore the potential of TPCD in your application.

Case study on a TPCD tweeter

Feb 27, 2026 11:30:31 AM

This article explores how one of the key factors influencing sound quality — frequency response — can be optimized by engineering the diaphragm...

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