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Sennheiser HD 660S2 — Over-ear · 2023
Sennheiser

Sennheiser HD 660S2

Over-ear · 2023

92
/ 100
From $599
VS
Audeze LCD-5 wins by 4
Audeze LCD-5 — Planar magnetic
Audeze

Audeze LCD-5

Planar magnetic

96
/ 100
From $4,500
Specdex verdict

Audeze LCD-5 takes it — here’s why.

In our weighted Specdex score, Sennheiser HD 660S2 lands at 92 and Audeze LCD-5 at 96. That puts Audeze LCD-5 ahead by 4 points — a narrow 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 Audeze LCD-5 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

Audeze LCD-5

Tuning, detail, and staging

Audeze LCD-5 leads on sound (96 vs 92).

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 660S2

Specdex score per dollar at MSRP

Sennheiser HD 660S2 more score per dollar ($599 vs $4,500).

Sennheiser HD 660S2 92
vs
96 Audeze LCD-5

Score breakdown

Sennheiser HD 660S2
92
anc 90
sound 92
comfort 91
battery 82
features 88
Audeze LCD-5
96
anc 0
sound 96
comfort 88
battery 100
features 50

Specs side-by-side

Sennheiser HD 660S2 versus Audeze LCD-5 — full spec comparison
Spec Sennheiser HD 660S2 Audeze LCD-5
Type
Over-ear
Planar magnetic
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

Audeze LCD-5

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 Audeze LCD-5

Which is better, Sennheiser HD 660S2 or Audeze LCD-5? +

Audeze LCD-5 scores 96 on our weighted rubric — ahead by 4. 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 Audeze LCD-5 worth the price? +

At $4,500, Audeze LCD-5 delivers a Specdex score of 96 — strongest in battery.

Does Sennheiser HD 660S2 or Audeze LCD-5 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 Audeze LCD-5? +

Audeze LCD-5 — leads on sound (96 vs 92). Tuning, detail, and staging.

Which is better for noise cancelling, Sennheiser HD 660S2 or Audeze LCD-5? +

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