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Authorized dealers for HEDD Audio HEDDphone® D1

  • Absolute Audio - Canada — in-store — Calgary, Alberta, Canada (website)
  • Alto Music — online and in-store — Middletown, New York, United States (website)
  • Art & Voice — online (website)
  • Audio 46 — online and in-store — New York, New York, United States (website)
  • Audio essence — online and in-store — Zürich, Zürich, Switzerland (website)
  • Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)
  • AudioPerformance — online and in-store — Stenkullen, Västra Götalands län, Sweden (website)
  • B&H Photo — online and in-store — New York, New York, United States (website)
  • Bloom Audio — online and in-store — Gibbsboro, New Jersey, United States (website)
  • CASQUES HEADPHONES — in-store — Lyon, Auvergne-Rhône-Alpes, France (website)

and 21 more verified dealers

HEDD Audio HEDDphone® D1 #1
HEDD Audio HEDDphone® D1 variant 1
HEDD Audio HEDDphone® D1 variant 2
HEDD Audio HEDDphone® D1 variant 3
HEDD Audio HEDDphone® D1 variant 4
HEDD Audio HEDDphone® D1 variant 5
HEDD Audio HEDDphone® D1 variant 6
HEDD Audio HEDDphone® D1 variant 7
HEDD Audio HEDDphone® D1 variant 8
HEDD Audio HEDDphone® D1 variant 9

HEDD Audio HEDDphone® D1

Germany flag

HEDD Audio’s HEDDphone® D1 pairs an open-back platform with a dynamic carbon diaphragm, dual 3.5mm connections and velour pads. Sound on Sound notes the shift from AMT to a conventional moving-coil driver while retaining HEDD’s high-tech outlook; independently, Pragmatic Audio signals serious confidence by intending to buy its loan sample. At $800, it is a focused wired design worth attention.

View at HEDD Audio
Specifications5 reviews & sources

WATT RECOMMENDS

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57/100
Rating for HEDDphone® D1

Kinda Soggy

Sound Quality

50/100

Comfort Fit

50/100

Build Quality

50/100

Features Usability

80/100

Value for Money

85/100

Pros

An independent reviewer expressed enough confidence in the D1 to intend to purchase the loan sample.

Conventional moving-coil driver design retains HEDD’s characteristically high-tech engineering approach.

WATT RECOMMENDS

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What Reviewers Are Saying

"But this is one that I intend to purchase — all impressions and measurements are formed independently."

— Pragmatic Audio

SOUND QUALITY PERFORMANCE 50/100

The supplied review provides no listening impressions, so it does not establish the D1's tonal balance, detail, spatial performance or dynamic character.

Bass

50/100

The supplied review says nothing about bass extension, control, texture or impact.

Midrange

50/100

The supplied review offers no comments on vocal realism, instrumental timbre or midrange presence.

Treble

50/100

The supplied review does not discuss treble smoothness, air, extension or fatigue.

Resolution Detail

50/100

There is no reviewer evidence about low-level detail retrieval, separation or transparency.

Soundstage Imaging

50/100

The supplied review does not describe the open-back design's stage size, image placement or spatial coherence.

Dynamics

50/100

The review says little about punch, transient response or dynamic expression.

Assessments of Build Quality, Usability, and Overall Propositions.

Comfort Fit

50/100

Although the specifications list a 350g weight and perforated velour pads, the supplied review does not report on clamp, pressure, heat or long-session comfort.

Build Quality

50/100

The supplied review contains no assessment of materials, construction, durability or component longevity.

Features Usability

80/100

The D1 is a conventional wired open-back headphone with dual 3.5mm inputs, a 2m textile-covered cable and a 6.35mm adapter. The supplied review does not identify any practical usability problems or unusual ownership features.

Value for Money

85/100

The review lists a price of approximately $800 or €699, but does not judge whether the D1 is competitive with alternatives at that price.

Reviews & Sources

Professional reviews and sources for this product's Watt'n Potatoes analysis.

Online Reviews & Mentions

YouTube Reviews

Forum Mentions

No forum mentions found yet

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Specifications

Design
Open-back over-ear headphone
Drivers
Dynamic with a Thin-ply Carbon Diaphragm
Frequency Range
5 Hz - 40 kHz
Maximum SPL
100dB at 1mW
Impedance
32 Ω
Pads
Perforated Velour
Cable
TRS 3.5mm textile-covered premium cable; 2m long; 6.35mm adapter.
Inputs
2 x 3.5mm
Weight
350g (net)

Manufacturer's Description — HEDD Audio

World’s first dynamic headphone with a Thin-Ply Carbon Diaphragm. 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 controlUltra-fast and clean transientsCustom dynamic driver tuned for precision, speed, and tonal balanceOpen-back circumaural design delivers natural openness and spacious soundstageBroad source compatibility, scales with premium ampsLightweight and comfortable, perfect for extended listening sessionsIncludes dual 3.5 mm mono connectors; 6.35 mm adapter; and 1 premium textile-covered detachable cableCustom carry caseMade in Germany5 year warranty after registration
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Verified Dealers

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Authorized dealers for HEDD Audio HEDDphone® D1

  • Absolute Audio - Canada — in-store — Calgary, Alberta, Canada (website)
  • Alto Music — online and in-store — Middletown, New York, United States (website)
  • Art & Voice — online (website)
  • Audio 46 — online and in-store — New York, New York, United States (website)
  • Audio essence — online and in-store — Zürich, Zürich, Switzerland (website)
  • Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)
  • AudioPerformance — online and in-store — Stenkullen, Västra Götalands län, Sweden (website)
  • B&H Photo — online and in-store — New York, New York, United States (website)
  • Bloom Audio — online and in-store — Gibbsboro, New Jersey, United States (website)
  • CASQUES HEADPHONES — in-store — Lyon, Auvergne-Rhône-Alpes, France (website)

and 21 more verified dealers

Absolute Audio - Canada logo
Alto Music logo
Art & Voice logo
Audio 46 logo
Audio essence logo
Audio Magic - EU logo
AudioPerformance logo
B&H Photo logo
Bloom Audio logo
CASQUES HEADPHONES logo