HEDD HEDDPHONE D1 Open-Back Over-Ear Headphone

HEDD HEDDPHONE D1 Open-Back Over-Ear HeadphoneThe HEDDphone D1 is a precision crafted open back headphone designed to deliver studio level clarity and natural sound reproduction. Created for listeners who demand accuracy and depth, the D1 reveals subtle details with ease while maintaining a smooth, fatigue free presentation. Its lightweight frame, breathable velour pads, and thoughtful design make it a reliable choice for long sessions, from critical listening to casual enjoyment. The open back

The HEDDphone® D1 is a precision-crafted open-back headphone designed to deliver studio-level clarity and natural sound reproduction. Created for listeners who demand accuracy and depth, the D1 reveals subtle details with ease while maintaining a smooth, fatigue-free presentation. Its lightweight frame, breathable velour pads, and thoughtful design make it a reliable choice for long sessions, from critical listening to casual enjoyment. The open-back architecture contributes to a spacious soundstage, allowing the music to breathe and feel true to life.

At the core of the D1 is a Thin-Ply Carbon Diaphragm, an advanced material adapted from high-performance industries like aerospace and motorsport. This innovation, developed with Composite Sound, gives the driver speed and control without relying on traditional damping. The result is a dynamic driver that captures transients cleanly and preserves tonal balance. With 32-ohm impedance and 100 dB sensitivity, the D1 performs consistently across a wide range of audio sources and scales well with premium systems. Hand-assembled in Berlin, it reflects a commitment to craftsmanship, acoustic precision, and long-term reliability.

Features

Thin-Ply Carbon Diaphragm
Delivers fast, clean, and accurate sound using advanced materials for natural resonance control.

Custom Dynamic Driver
Tuned for studio-grade precision with balanced, detailed, and fatigue-free listening.

Open-Back Design
Creates a spacious, natural soundstage with excellent openness and realism.

Wide Source Compatibility
Works well with everything from portable players to high-end amplifiers.

Comfort for Long Sessions
Lightweight build and ergonomic design provide lasting comfort during extended use.

Premium Accessories Included
Comes with high-quality cables, adapters, and a custom carry case for convenience.

Made in Germany
Crafted with care and expertise in Berlin for trusted quality and performance.

Extended Warranty
Includes a 5-year warranty after registration for peace of mind.

Specifications

• Device Type: Open-Back Over-Ear Dynamic Headphones
• Diaphragm Material: Thin-Ply Carbon Diaphragm (TPCD)
• Driver Type: Custom Dynamic Driver
• Construction: Designed and Assembled in Berlin, Germany
• Ear Pad Material: Perforated Velour
• Form Factor: Circumaural (Over-Ear)
• Weight: 350g (net)
• Included Accessories: Dual 3.5 mm mono connectors, 6.35 mm adapter, 2 textile-covered detachable cables, custom carry case
• Frequency Range: 5 Hz – 40 kHz
• Performance
  • Maximum SPL: 100 dB @ 1 mW
  • Impedance: 32 Ω
• Input Connectors: 2 x 3.5 mm mono
• Cable
  • Cable Type: Textile-Covered Premium Cable
  • Cable Configuration: Detachable, Dual 3.5 mm Mono to 6.35 mm Adapter Included