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Sennheiser HD 660S · Moss Green — Open-back
Sennheiser

Sennheiser HD 660S · Moss Green

Open-back

90
/ 100
From $499
VS
Sennheiser HD 660S · Moss Green wins by 4
Sennheiser HD 58X — Open-back
Sennheiser

Sennheiser HD 58X

Open-back

86
/ 100
From $169
Specdex verdict

Sennheiser HD 660S · Moss Green takes it — here’s why.

In our weighted Specdex score, Sennheiser HD 660S · Moss Green lands at 90 and Sennheiser HD 58X at 86. That puts Sennheiser HD 660S · Moss Green ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Sennheiser HD 660S · Moss Green if…

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

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 660S · Moss Green

Tuning, detail, and staging

Sennheiser HD 660S · Moss Green leads on sound (90 vs 86).

Noise cancelling

Tie

ANC strength for commute and travel

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

Comfort

Tie

Long-session wearability

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

Value for money

Sennheiser HD 58X

Specdex score per dollar at MSRP

Sennheiser HD 58X more score per dollar ($169 vs $499).

Sennheiser HD 660S · Moss Green 90
vs
86 Sennheiser HD 58X

Score breakdown

Sennheiser HD 660S · Moss Green
90
anc 0
sound 90
comfort 88
battery 100
features 50
Sennheiser HD 58X
86
anc 0
sound 86
comfort 88
battery 100
features 50

Specs side-by-side

Sennheiser HD 660S · Moss Green versus Sennheiser HD 58X — full spec comparison
Spec Sennheiser HD 660S · Moss Green Sennheiser HD 58X
Type
Open-back
Open-back

Sennheiser HD 660S · Moss Green

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 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 660S · Moss Green vs Sennheiser HD 58X

Which is better, Sennheiser HD 660S · Moss Green or Sennheiser HD 58X? +

Sennheiser HD 660S · Moss Green scores 90 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is Sennheiser HD 660S · Moss Green worth the price? +

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

Is Sennheiser HD 58X worth the price? +

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

Does Sennheiser HD 660S · Moss Green 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 660S · Moss Green or Sennheiser HD 58X? +

Sennheiser HD 660S · Moss Green — leads on sound (90 vs 86). Tuning, detail, and staging.

Which is the better value, Sennheiser HD 660S · Moss Green or Sennheiser HD 58X? +

Sennheiser HD 58X — more score per dollar ($169 vs $499). Specdex score per dollar at MSRP.