HEDD Audio HEDDphone D1 Headphones

The new HEDD Audio HEDDphone D1 is a dynamic headphone featuring the worlds firstThin-Ply Carbon Diaphragm (TPCD) a material innovation that delivers unmatched speed, accuracy, and tonal integrity. Developed in collaboration with Composite Sound of Sweden, the D1 brings studio-grade precision to personal listening. With its lightweight design (350 g), open-back architecture, and refined comfort, it transforms the experience of dynamic sound reproduction into something effortless, immersive, and profoundly natural. Made in Germany, fully serviceable, and engineered for a lifetime of listening.

At the heart of the new D1 lies a world-first innovation the Thin-Ply Carbon Diaphragm (TPCD) an advanced composite material originally developed for extreme engineering applications, from Formula 1 racing to NASAs Mars helicopterIngenuity. In the D1, this technology becomes a new benchmark for speed, control, and transparency.

The new D1 draws from over forty years of professional studio experience, HEDD Audio re-engineered the core of the dynamic driver itself. The D1 achieves the precision and neutrality of a studio monitor while maintaining the warmth and fluidity that make listening deeply engaging. Despite its advanced driver design, the HEDDphone D1 weighs only 350 grams. Every component from the headband to the perforated velour earpads has been designed for stability, even weight distribution, and lasting comfort. The result: hours of immersive listening without fatigue.

The new D1 features a 32 impedance and 100 dB sensitivity. It pairs beautifully with both portable players and dedicated desktop amplifiers. It scales gracefully with higher-end systems while maintaining a consistent tonal balance and sense of control a true all-rounder for discerning listeners.

Specifications:

In The Box:

• HEDD HEDDphone D1
• Cable with 3.5mm Termination
• 6.3mm to 3.5mm Adapter
• Custom Carry Case