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Sennheiser HD 660S2 · Navy Blue — Over-ear · 2023
Sennheiser

Sennheiser HD 660S2 · Navy Blue

Over-ear · 2023

92
/ 100
From $599
VS
Sennheiser HD 660S2 · Navy Blue wins by 2
Sony WH-1000XM4 — Over-ear · 2020
Sony

Sony WH-1000XM4

Over-ear · 2020

90
/ 100
From $349
Specdex verdict

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

In our weighted Specdex score, Sennheiser HD 660S2 · Navy Blue lands at 92 and Sony WH-1000XM4 at 90. That puts Sennheiser HD 660S2 · Navy Blue ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Sennheiser HD 660S2 · Navy Blue if…

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

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

Sennheiser HD 660S2 · Navy Blue

Tuning, detail, and staging

Sennheiser HD 660S2 · Navy Blue leads on sound (92 vs 90).

Noise cancelling

Sennheiser HD 660S2 · Navy Blue

ANC strength for commute and travel

Sennheiser HD 660S2 · Navy Blue leads on anc (90 vs 88).

Comfort

Sennheiser HD 660S2 · Navy Blue

Long-session wearability

Sennheiser HD 660S2 · Navy Blue leads on comfort (91 vs 89).

Value for money

Sony WH-1000XM4

Specdex score per dollar at MSRP

Sony WH-1000XM4 more score per dollar ($349 vs $599).

Sennheiser HD 660S2 · Navy Blue 92
vs
90 Sony WH-1000XM4

Score breakdown

Sennheiser HD 660S2 · Navy Blue
92
anc 90
sound 92
comfort 91
battery 82
features 88
Sony WH-1000XM4
90
anc 88
sound 90
comfort 89
battery 82
features 86

Specs side-by-side

Sennheiser HD 660S2 · Navy Blue versus Sony WH-1000XM4 — full spec comparison
Spec Sennheiser HD 660S2 · Navy Blue Sony WH-1000XM4
Type
Over-ear
Over-ear
Release year
2023
2020

Sennheiser HD 660S2 · Navy Blue

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

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 660S2 · Navy Blue vs Sony WH-1000XM4

Which is better, Sennheiser HD 660S2 · Navy Blue or Sony WH-1000XM4? +

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

Is Sennheiser HD 660S2 · Navy Blue worth the price? +

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

Is Sony WH-1000XM4 worth the price? +

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

Does Sennheiser HD 660S2 · Navy Blue 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 sound quality, Sennheiser HD 660S2 · Navy Blue or Sony WH-1000XM4? +

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

Which is better for noise cancelling, Sennheiser HD 660S2 · Navy Blue or Sony WH-1000XM4? +

Sennheiser HD 660S2 · Navy Blue — leads on anc (90 vs 88). ANC strength for commute and travel.