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HiFiMAN HE 1000 Stealth vs Sennheiser HD 820: which should you buy?

On aggregated review scores the HiFiMAN HE 1000 Stealth comes out ahead with a HearWiki score of 83. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: HiFiMAN HE 1000 Stealth - Outstanding overall at around $1399.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

HiFiMAN HE 1000 Stealth leads on 4 of 4 measures.

  • HiFiMAN HE 1000 Stealth
  • Sennheiser HD 820
HearWiki score
83
65
Sound
9.3
8.0
Value
8.8
3.8
Price (USD)
$1,400
$2,000

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Same generation

The HiFiMAN HE 1000 Stealth is 5 years newer, but it is the same generation of hardware: nothing in the radio, the codecs or the noise cancelling separates them. Nothing separates them on convenience features either, so the choice comes down to tuning and price. For 5 years between them, that is a thin return - treat this as a restyle rather than a new platform.

  • HE 1000 Stealth20235 yr newer
  • HD 8202018

Specifications

HE 1000 StealthHD 820
Type
Over-Ear
Over-Ear
Price (USD)
$1,400
$2,000
HearWiki score
83
65
Released
2023
2018
Availability
Still sold new
Still sold new
Driver
planar magnetic
56 mm dynamic
Driver type
planar
dynamic
Driver size
-
56 mm
Drivers per side
1
1
Frequency response
8 Hz - 65 kHz
6 Hz - 48 kHz
Sound signature
neutral
-
Impedance
32 Ω
300 Ω
Sensitivity
93 dB/mW
103 dB/mW
Active noise cancelling
No
No
Weight
458 g
360 g
Detachable cable
Yes
Yes
USB-C
No
No
Connector
6.35 mm
4.4 mm balanced
Balanced connection
Yes
Yes
Model code
-
507435

What reviewers said

HiFiMAN HE 1000 Stealth

The HiFiMAN HE 1000 Stealth is a wired, open-back planar magnetic flagship that delivers a neutral, highly detailed sound signature. It's easier to drive than typical planars thanks to its 32-ohm impedance and 93 dB sensitivity, yet still rewards quality amplification. With its relatively lightweight build for a large headphone and detachable balanced cable, it offers strong technical performance and comfort, though its size and price may not suit everyone.

  • Pro:Refined, neutral sound with excellent detail
  • Pro:Easier to drive than most planar headphones
  • Pro:Comfortable for its large over-ear design
  • Con:Still relatively heavy at 458 grams
  • Con:Large fit may be awkward for smaller heads
  • Con:Treble can sound uneven on bright recordings

Sennheiser HD 820

The Sennheiser HD 820 is a flagship closed-back headphone that aims to deliver open-back-like soundstage and detail in a sealed design. It excels in critical listening with strong bass control, wide imaging, and solid build, but demands a high-quality amplifier and a hefty investment. While praised for its technical performance, some find its comfort and value questionable at the premium price point.

  • Pro:Excellent detail retrieval and clarity
  • Pro:Wide, immersive soundstage for a closed-back
  • Pro:Precise bass control and punch
  • Con:Very expensive for the performance offered
  • Con:Requires a powerful, high-end amplifier
  • Con:Heavy weight can cause fatigue over long sessions

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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