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Sennheiser HD 6XX — Open-back
Sennheiser

Sennheiser HD 6XX

Open-back

90
/ 100
From $219
VS
Sony WH-1000XM4 — Over-ear · 2020
Sony

Sony WH-1000XM4

Over-ear · 2020

90
/ 100
From $349
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Sennheiser HD 6XX lands at 90 and Sony WH-1000XM4 at 90. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Sennheiser HD 6XX if…

  • ✓Reference-level detail
  • ✓Well-regarded in audiophile community
  • ✓Long-term ownership appeal

Pick Sony WH-1000XM4 if…

  • ✓Flagship comfort + ANC on modern models
  • ✓Premium build
  • ✓Active noise cancellation (most models)
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Sound quality

Tie

Tuning, detail, and staging

Effectively tied — neither pulls a 2-point weighted lead.

Noise cancelling

Sony WH-1000XM4

ANC strength for commute and travel

Sony WH-1000XM4 leads on anc (88 vs 0).

Comfort

Tie

Long-session wearability

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Sennheiser HD 6XX

Specdex score per dollar at MSRP

Sennheiser HD 6XX more score per dollar ($219 vs $349).

Sennheiser HD 6XX 90
vs
90 Sony WH-1000XM4

Score breakdown

Sennheiser HD 6XX
90
anc 0
sound 90
comfort 88
battery 100
features 50
Sony WH-1000XM4
90
anc 88
sound 90
comfort 89
battery 82
features 86

Specs side-by-side

Sennheiser HD 6XX versus Sony WH-1000XM4 — full spec comparison
Spec Sennheiser HD 6XX Sony WH-1000XM4
Type
Open-back
Over-ear
Release year
—
2020

Sennheiser HD 6XX

Pros
  • +Reference-level detail
  • +Well-regarded in audiophile community
  • +Long-term ownership appeal
Cons
  • −Requires amplifier (most)
  • −No active noise cancellation
  • −Impractical for commuting

Sony WH-1000XM4

Pros
  • +Flagship comfort + ANC on modern models
  • +Premium build
  • +Active noise cancellation (most models)
Cons
  • −Battery varies by codec
  • −Some are Bluetooth-only
  • −Price creep vs previous gen

FAQ: Sennheiser HD 6XX vs Sony WH-1000XM4

Which is better, Sennheiser HD 6XX or Sony WH-1000XM4? +

Both score 90 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Sennheiser HD 6XX worth the price? +

At $219, Sennheiser HD 6XX delivers a Specdex score of 90 — strongest in battery.

Is Sony WH-1000XM4 worth the price? +

At $349, Sony WH-1000XM4 delivers a Specdex score of 90 — strongest in sound.

Does Sennheiser HD 6XX or Sony WH-1000XM4 last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for noise cancelling, Sennheiser HD 6XX or Sony WH-1000XM4? +

Sony WH-1000XM4 — leads on anc (88 vs 0). ANC strength for commute and travel.

Which is the better value, Sennheiser HD 6XX or Sony WH-1000XM4? +

Sennheiser HD 6XX — more score per dollar ($219 vs $349). Specdex score per dollar at MSRP.