HEDD HEDDphone D1

***************** AVAILABLE FOR DEMO ***************** HEDD HEDDphone D1 is a high-performance pair of open-back over-ear headphones that combines advanced materials technology with HEDD's experience in acoustic design. With its groundbreaking Thin-Ply Carbon Diaphragm (TPCD), the D1 delivers a clean, detailed and balanced soundstage that feels more like a reference monitor than a regular headphone. The open design creates a naturally spacious soundstage with good stereo perspective and realism, while the lightweight and rigid TPCD diaphragm provides fast transient response and low resonance. The result is detailed reproduction in both low and high frequencies without sounding harsh or fatiguing. With 32 Ω impedance and 100 dB sensitivity, the D1 works well with everything from mobile devices to high-end DAC and amplifier solutions, and performance increases with better drive. Ergonomically designed ear cups with perforated velour-buttoned pads ensure comfort during long listening sessions, and weighing around 350g, the headphones are well balanced without feeling heavy. The headphones come with detachable textile cables, 6.35mm adapter and carrying case, and are made in Germany with high-quality components. In summary, the HEDDphone D1 offers a combination of advanced diaphragm technology, reference-like sound precision and long-lasting comfort, making them an attractive choice for audiophiles, producers and anyone who wants neutral, detailed and engaging sound reproduction. HEDD HEDDphone D1 at a glance: * Type: Open over-ear electrodynamic headphone with Thin-Ply Carbon Diaphragm (TPCD) * Frequency range: 5 Hz - 40 kHz * Sensitivity: 100 dB * Impedance: 32 Ω * Transducer: Lightweight and rigid diaphragm for fast transient response and low resonance * Sound character: Neutral, detailed and spacious soundstage with good stereo perspective * Construction & ergonomics: Lightweight caps (ca. 350 g), perforated velour-buttoned ear pads for long-lasting comfort * Connection: Detachable textile cables, adapter to 6.35 mm included * Usage: Fits everything from mobile devices to high-end DACs/amplifiers Supplied with * HEDDphone D1 headphones (over-ear, open-back) * Detachable textile cables (dual mono, 3.5mm) * Adapter to 6.35mm * Carrying case for transportation and storage * User manual/documentation "HEDD's first TPCD headphone effort is nothing short of a triumph. Eight years of TCPD research have resulted in one of the most natural, fatigue-free dynamic headphones on the market. It's not flashy or "fun" in the traditional audiophile sense, but it's musically complete. The HEDD D1 is the kind of headphone that lets you rediscover your library-and perhaps even your patience. If you're tired of bright planars and overcooked tunings, the D1 might just be your endgame for realism. An easy "Headfonia Recommended". Can't wait to hear where this technology evolves!" Headfonia (Nov, 2025)