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Sennheiser Momentum 4 · Midnight Black — Over-ear · 2022
Sennheiser

Sennheiser Momentum 4 · Midnight Black

Over-ear · 2022

91
/ 100
From $349
VS
Sennheiser HD 660S2 wins by 1
Sennheiser HD 660S2 — Over-ear · 2023
Sennheiser

Sennheiser HD 660S2

Over-ear · 2023

92
/ 100
From $599
Specdex verdict

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

In our weighted Specdex score, Sennheiser Momentum 4 · Midnight Black lands at 91 and Sennheiser HD 660S2 at 92. That puts Sennheiser HD 660S2 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Sennheiser Momentum 4 · Midnight Black if…

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

Pick Sennheiser HD 660S2 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

Tie

Tuning, detail, and staging

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

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 Momentum 4 · Midnight Black

Specdex score per dollar at MSRP

Sennheiser Momentum 4 · Midnight Black more score per dollar ($349 vs $599).

Sennheiser Momentum 4 · Midnight Black 91
vs
92 Sennheiser HD 660S2

Score breakdown

Sennheiser Momentum 4 · Midnight Black
91
anc 89
sound 91
comfort 90
battery 82
features 87
Sennheiser HD 660S2
92
anc 90
sound 92
comfort 91
battery 82
features 88

Specs side-by-side

Sennheiser Momentum 4 · Midnight Black versus Sennheiser HD 660S2 — full spec comparison
Spec Sennheiser Momentum 4 · Midnight Black Sennheiser HD 660S2
Type
Over-ear
Over-ear
Release year
2022
2023

Sennheiser Momentum 4 · Midnight Black

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 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

FAQ: Sennheiser Momentum 4 · Midnight Black vs Sennheiser HD 660S2

Which is better, Sennheiser Momentum 4 · Midnight Black or Sennheiser HD 660S2? +

Sennheiser HD 660S2 scores 92 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.

Is Sennheiser Momentum 4 · Midnight Black worth the price? +

At $349, Sennheiser Momentum 4 · Midnight Black delivers a Specdex score of 91 — strongest in sound.

Is Sennheiser HD 660S2 worth the price? +

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

Does Sennheiser Momentum 4 · Midnight Black or Sennheiser HD 660S2 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 the better value, Sennheiser Momentum 4 · Midnight Black or Sennheiser HD 660S2? +

Sennheiser Momentum 4 · Midnight Black — more score per dollar ($349 vs $599). Specdex score per dollar at MSRP.