HEDDphone®. A New Chapter in Headphone Technology

HEDD is proud to introduce the first full range Air Motion Transformer headphones to audiophiles and recording artists worldwide. The Air Motion Transformer (AMT) is an electrodynamic transducer that allows to move air significantly faster than common voice coil, planar, or electrostatic systems. Their traditional piston-like movement is overcome by a folded diaphragm that squeezes out air four times faster: A breakthrough for capturing more details in a musical recording.

30 years ago HEDD founder and CTO Klaus Heinz designed the first compact and marketable AMT tweeter based on American-German Physicist Oskar Heil’s original Air Motion Transformer invention. Since then, Heinz has increased its sonic quality in several fundamental revisions for his loudspeaker tweeter designs at ADAM Audio and HEDD.

In 2019 Heinz has started developing a full range Air Motion Transformer to break new grounds for this superior transducer principle. In order to reproduce the complete audible frequency band (and beyond), the HEDDphone® incorporates VVT® technology (Variable Velocity Transform). It introduces a new, variable diaphragm geometry that expands the AMT principle to a linear full range (10Hz–40kHz) headphone transducer.

The HEDDphone® brings the enormous dynamic capabilities and the superior sonic resolution of the AMT principle to the world of top-end headphones. HEDDphone® excels where it really matters: in accurate, untamed, and touching music reproduction.

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HEDDphone®. Made in Berlin.

Technical Data

Concept Open over ear headphone with Air Motion Transformer
Efficiency 87 dB SPL for 1 mW
Impedance 42 Ω
Weight 718 g
Connector Mini XLR
List Price (RRP) 1700€ incl. VAT

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»ARE They THE BEST?« – Mastering Engineer Streaky reviews the HEDDphone®

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»If Mercedes made a headphone this would be it«. Steve Guttenberg reviews the HEDDphone®.

»Both technically and sonically, these open-backed headphones represent a breakthrough in portable monitoring.« (SOS mag)

Heba Kadry is a Mastering engineer based in Brooklyn, NY. Clients include Björk, Slowdive, Ryuichi Sakamoto, and Holly Herndon to name a few.

Richard Devine is an Atlanta-based electronic musician and sound designer for Google and Jaguar.

Berlin based composer and performer Hainbach has a lot of love for vintage measurement devices. Learn more!

Steve-Gutenberg

» If Mercedes made a headphone this would be it «

Steve Guttenberg The Audiophiliac

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» This changes everything «

Resolve Reviews 

»The sound great, in a way that’s actually useful for mixing & mastering «

Sound On Sound Magazine