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Authorized dealers for Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone

  • Adorama — in-store — New York, New York, United States (website)
  • Analogue Seduction — online and in-store — Whittlesey, England, United Kingdom (website)
  • Apos Audio — online and in-store — Oakland, California, United States (website)
  • ARK Audio — online and in-store — Borensberg, Östergötlands län, Sweden (website)
  • Audio 46 — online and in-store — New York, New York, United States (website)
  • Audio Sanctuary — in-store — London, England, United Kingdom (website)
  • AV ONE — online and in-store — Singapore, Singapore (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)
  • Headphone Zone — online and in-store — Laxmi Industrial Estate, Maharashtra, India (website)

and 5 more verified dealers

Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone #1
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 1
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 2
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 3
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 4
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 5
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 6
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 7
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 8
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 9
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 10
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 11
Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone variant 12

Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone

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The Dekoni Blue pairs a warm, bass-forward planar voice with a wide, focused soundstage, bringing weight, ambience and easy-going detail to long playlists. HiFi News heard convincing spatial focus and fine low-level detail, while Z Reviews praised its smooth, non-fatiguing character. With capable amplification, it is an especially involving value-minded listen.

View at Dekoni Audio
Specifications14 reviews & sources

WATT RECOMMENDS

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83/100
Rating for Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone

Nicely Roasted

Sound Quality

84/100

Comfort Fit

76/100

Build Quality

75/100

Features Usability

80/100

Value for Money

90/100

Pros

Wide, well-focused staging with convincing centre imaging and audible venue ambience.

Reveals subtle details, including vocal clarity, resonant bass strings, brushed cymbals and piano pedalling, without an aggressively analytical presentation.

Warm, weighty and engaging tuning delivers satisfying rhythmic impact and strong value when properly powered.

Cons

Substantial clamp and small ear chambers can cause heat and only moderate comfort during extended listening.

Bass-heavy balance may not suit listeners seeking strict neutrality or maximum classical transparency.

Needs capable amplification for its best dynamics and impact.

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What Reviewers Are Saying

"for $200 if you want a blue set of headphones that uh kicks major ass but you have to power it properly this is it"

— Z Reviews

SOUND QUALITY PERFORMANCE 84/100

The Blue is presented as a warm, bass-forward and engaging listen, with strong spatial presentation and a forgiving approach to detail. It is especially suited to listeners who value atmosphere, rhythmic drive and long-form musical enjoyment over strict neutrality and maximum transparency.

Bass

84/100

Reviewers hear substantial low-end weight, from distinctly thumpy effects to the warm, “oof”-laden character noted by Z Reviews. The balance can initially feel overly heavy and bass-biased, though HiFi News found the excess reduced after extended use and warm-up; pad choice also affects bass tightness.

Midrange

80/100

HiFi News found the Blue capable of revealing piano technique, vocal narration and instrumental body, while its warmth helped it handle prominent vibraphone without becoming overpowering. That warmth is appealing, but the review’s warning that classical listeners seeking unquestionable transparency may be dissatisfied tempers the result.

Treble

78/100

The supplied reviews do not offer much direct assessment of treble extension, air or sibilance. They do suggest an easy-going, non-aggressive presentation rather than an overtly sharp or analytical one.

Resolution Detail

88/100

HiFi News reports clearly audible narration, resonant bass strings, faint brushed cymbals and piano pedalling, indicating strong retrieval of small recorded details. Z Reviews likewise praises its detail as present without being pushed forcefully at the listener, making it less fatiguing than more overtly analytical alternatives.

Soundstage Imaging

87/100

HiFi News repeatedly heard a notably wide stage that could extend beyond the head, with convincingly centred narration, good focus and audible venue ambience. Z Reviews calls the staging somewhat intimate but still spacious enough to be enjoyable, suggesting scale without sacrificing coherence.

Dynamics

88/100

HiFi News praises the Blue’s timing and atmosphere, with a major theme arriving freely and without restraint. Z Reviews finds properly powered examples highly physical and impactful, though this enthusiasm comes with the practical implication that suitable amplification matters.

Assessments of Build Quality, Usability, and Overall Propositions.

Comfort Fit

76/100

HiFi News describes comfort as only moderate: the springy headband applies substantial side pressure and the relatively small ear chambers can become hot during extended listening. These are meaningful limitations for long sessions, even if they may be manageable for shorter use.

Build Quality

75/100

The review characterizes the appearance as utilitarian and says the design lacks elegance. Reviewers say little about structural durability, materials, pad longevity or long-term reliability.

Features Usability

80/100

The reviews focus on this as a straightforward wired headphone and identify no major control, cable or ownership problem. It does benefit from proper amplification, and the discussion of pad changes indicates that fit and tuning can be influenced by earpad choice.

Value for Money

90/100

At roughly $200-$250, HiFi News calls the Blue reasonably priced for what it offers, despite its comfort and transparency compromises. Z Reviews is even more enthusiastic, calling it a strong choice at $200 provided it is powered properly.

Reviews & Sources

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

Online Reviews & Mentions

YouTube Reviews

Forum Mentions

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Specifications

Weight
1 lbs
Dimensions
10 × 10 × 10 in

Manufacturer's Description — Dekoni Audio

The Dekoni Blue by Fostex The only T50RP MK3 mod approved by Fostex

Dekoni Audio has Collaborated with Headphone Maker Fostex on a fantastic new variant of its T50RP MK3 Planar Magnetic Headphone. With Redesigned Blue cups, a new Inner Baffle, and Dekoni’s Hybrid Ear Pads made just for this headphone, you are left with what some are calling the most comfortable headphone around. The Dekoni Blue is warmer, smoother, and less fatiguing than its predecessor, making for hours of comfortable listening sessions.


Attention to Detail
The Dekoni Blue is a Fun Headphone with a great bass extension and smoothed out high end. Please note that the Blue no longer comes with the T50RP Elite Velour pads, and now only ships with the Elite Hybrid pads!


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Authorized dealers for Dekoni Audio Blue - Fostex/Dekoni HiFi Audiophile Planar Magnetic Headphone

  • Adorama — in-store — New York, New York, United States (website)
  • Analogue Seduction — online and in-store — Whittlesey, England, United Kingdom (website)
  • Apos Audio — online and in-store — Oakland, California, United States (website)
  • ARK Audio — online and in-store — Borensberg, Östergötlands län, Sweden (website)
  • Audio 46 — online and in-store — New York, New York, United States (website)
  • Audio Sanctuary — in-store — London, England, United Kingdom (website)
  • AV ONE — online and in-store — Singapore, Singapore (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)
  • Headphone Zone — online and in-store — Laxmi Industrial Estate, Maharashtra, India (website)

and 5 more verified dealers

Adorama logo
Analogue Seduction logo
Apos Audio logo
ARK Audio logo
Audio 46 logo
Audio Sanctuary logo
AV ONE logo
B&H Photo logo
Bloom Audio logo
Headphone Zone logo