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Sennheiser HD 660S2 — Over-ear · 2023
Sennheiser

Sennheiser HD 660S2

Over-ear · 2023

92
/ 100
From $599
VS
Sennheiser HD 660S2 wins by 6
Sennheiser HD 58X — Open-back
Sennheiser

Sennheiser HD 58X

Open-back

86
/ 100
From $169
Specdex verdict

Sennheiser HD 660S2 takes it — here’s why.

In our weighted Specdex score, Sennheiser HD 660S2 lands at 92 and Sennheiser HD 58X at 86. That puts Sennheiser HD 660S2 ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Sennheiser HD 660S2 if…

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

Pick Sennheiser HD 58X if…

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

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

Sound quality

Sennheiser HD 660S2

Tuning, detail, and staging

Sennheiser HD 660S2 leads on sound (92 vs 86).

Noise cancelling

Sennheiser HD 660S2

ANC strength for commute and travel

Sennheiser HD 660S2 leads on anc (90 vs 0).

Comfort

Sennheiser HD 660S2

Long-session wearability

Sennheiser HD 660S2 leads on comfort (91 vs 88).

Value for money

Sennheiser HD 58X

Specdex score per dollar at MSRP

Sennheiser HD 58X more score per dollar ($169 vs $599).

Sennheiser HD 660S2 92
vs
86 Sennheiser HD 58X

Score breakdown

Sennheiser HD 660S2
92
anc 90
sound 92
comfort 91
battery 82
features 88
Sennheiser HD 58X
86
anc 0
sound 86
comfort 88
battery 100
features 50

Specs side-by-side

Sennheiser HD 660S2 versus Sennheiser HD 58X — full spec comparison
Spec Sennheiser HD 660S2 Sennheiser HD 58X
Type
Over-ear
Open-back
Release year
2023
—

Sennheiser HD 660S2

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

Sennheiser HD 58X

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

FAQ: Sennheiser HD 660S2 vs Sennheiser HD 58X

Which is better, Sennheiser HD 660S2 or Sennheiser HD 58X? +

Sennheiser HD 660S2 scores 92 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.

Is Sennheiser HD 660S2 worth the price? +

At $599, Sennheiser HD 660S2 delivers a Specdex score of 92 — strongest in sound.

Is Sennheiser HD 58X worth the price? +

At $169, Sennheiser HD 58X delivers a Specdex score of 86 — strongest in battery.

Does Sennheiser HD 660S2 or Sennheiser HD 58X 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 sound quality, Sennheiser HD 660S2 or Sennheiser HD 58X? +

Sennheiser HD 660S2 — leads on sound (92 vs 86). Tuning, detail, and staging.

Which is better for noise cancelling, Sennheiser HD 660S2 or Sennheiser HD 58X? +

Sennheiser HD 660S2 — leads on anc (90 vs 0). ANC strength for commute and travel.