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Sennheiser HD 660S — Open-back
Sennheiser

Sennheiser HD 660S

Open-back

90
/ 100
From $499
VS
Sennheiser HD 660S2 · Arctic White wins by 2
Sennheiser HD 660S2 · Arctic White — Over-ear · 2023
Sennheiser

Sennheiser HD 660S2 · Arctic White

Over-ear · 2023

92
/ 100
From $599
Specdex verdict

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

In our weighted Specdex score, Sennheiser HD 660S lands at 90 and Sennheiser HD 660S2 · Arctic White at 92. That puts Sennheiser HD 660S2 · Arctic White ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Sennheiser HD 660S if…

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

Pick Sennheiser HD 660S2 · Arctic White 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

Sennheiser HD 660S2 · Arctic White

Tuning, detail, and staging

Sennheiser HD 660S2 · Arctic White leads on sound (92 vs 90).

Noise cancelling

Sennheiser HD 660S2 · Arctic White

ANC strength for commute and travel

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

Comfort

Sennheiser HD 660S2 · Arctic White

Long-session wearability

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

Value for money

Sennheiser HD 660S

Specdex score per dollar at MSRP

Sennheiser HD 660S more score per dollar ($499 vs $599).

Sennheiser HD 660S 90
vs
92 Sennheiser HD 660S2 · Arctic White

Score breakdown

Sennheiser HD 660S
90
anc 0
sound 90
comfort 88
battery 100
features 50
Sennheiser HD 660S2 · Arctic White
92
anc 90
sound 92
comfort 91
battery 82
features 88

Specs side-by-side

Sennheiser HD 660S versus Sennheiser HD 660S2 · Arctic White — full spec comparison
Spec Sennheiser HD 660S Sennheiser HD 660S2 · Arctic White
Type
Open-back
Over-ear
Release year
—
2023

Sennheiser HD 660S

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

Sennheiser HD 660S2 · Arctic White

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 660S vs Sennheiser HD 660S2 · Arctic White

Which is better, Sennheiser HD 660S or Sennheiser HD 660S2 · Arctic White? +

Sennheiser HD 660S2 · Arctic White scores 92 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.

Is Sennheiser HD 660S worth the price? +

At $499, Sennheiser HD 660S delivers a Specdex score of 90 — strongest in battery.

Is Sennheiser HD 660S2 · Arctic White worth the price? +

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

Does Sennheiser HD 660S or Sennheiser HD 660S2 · Arctic White 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 660S or Sennheiser HD 660S2 · Arctic White? +

Sennheiser HD 660S2 · Arctic White — leads on sound (92 vs 90). Tuning, detail, and staging.

Which is better for noise cancelling, Sennheiser HD 660S or Sennheiser HD 660S2 · Arctic White? +

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