Heinz Electrodynamic Designs HEDDPhone D1 (HPD1)

A new HEDDphone? built for true listening, the D1 delivers the clarity, realism, and tonal integrity of a reference monitor. Every note feels balanced and immediate, details are revealed without fatigue, and the carefully engineered fit ensures lasting comfort for extended sessions. The D1 is the world¡¯s first dynamic headphone with a Thin-Ply Carbon Diaphragm (TPCD). Developed with Swedish company Composite Sound, specialists in advanced audio diaphragms, the D1 combines HEDD¡¯s 40 years of acoustic expertise with advanced material science. Built with precision, purpose, and material integrity, the HEDDphone? D1 delivers reference-grade accuracy and balance. Made for those who are serious about sound. – Thin-Ply Carbon Diaphragm engineered for structural resonance control – Ultra-fast and clean transients – Custom dynamic driver tuned for precision, speed, and tonal balance – Open-back circumaural design delivers natural openness and spacious soundstage – Broad source compatibility, scales with premium amps – Lightweight and comfortable, perfect for extended listening sessions // SPECIFICATIONS – Driver: Dynamic Driver with Thin-ply Carbon Diaphragm – Design: Open-back over-ear – Frequency Response: 5Hz – 40kHz – Impedance: 32 Ohms – Sensitivity: 100dB/mW – Earpads: Perforated Velour – Connectors: Dual 3.5mm – Weight: 350g // IN THE BOX – D1 Headphones – Dual 3.5mm to 3.5mm cable – 3.5mm to 1/4″ adapter – Carrying Case – Documentation