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Sennheiser HD 650 — Over-ear · 2003
Sennheiser

Sennheiser HD 650

Over-ear · 2003

90
/ 100
From $499
VS
Sennheiser HD 650 wins by 3
Sonos Ace — TV Audio Swap · Dolby Atmos · Wireless Home Theater
Sonos

Sonos Ace

TV Audio Swap · Dolby Atmos · Wireless Home Theater

87
/ 100
From $449
Specdex verdict

Sennheiser HD 650 takes it — here’s why.

In our weighted Specdex score, Sennheiser HD 650 lands at 90 and Sonos Ace at 87. That puts Sennheiser HD 650 ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Sennheiser HD 650 if…

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

Pick Sonos Ace if…

  • ✓Unique TV Audio Swap with Arc soundbar
  • ✓Great ANC
  • ✓Spatial audio
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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

Sonos Ace

ANC strength for commute and travel

Sonos Ace leads on anc (90 vs 88).

Comfort

Tie

Long-session wearability

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

Value for money

Tie

Specdex score per dollar at MSRP

Effectively tied — similar score-per-dollar at MSRP.

Sennheiser HD 650 90
vs
87 Sonos Ace

Score breakdown

Sennheiser HD 650
90
anc 88
sound 90
comfort 89
battery 82
features 86
Sonos Ace
87
anc 90
sound 90
comfort 88
battery 84
features 92

Specs side-by-side

Sennheiser HD 650 versus Sonos Ace — full spec comparison
Spec Sennheiser HD 650 Sonos Ace
Type
Over-ear
—
Release year
2003
—
Driver
—
40 mm dynamic
Battery
—
30 h
Weight
—
312 g
Codecs
—
aptX Lossless via Snapdragon Sound

Sennheiser HD 650

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

Sonos Ace

Pros
  • +Unique TV Audio Swap with Arc soundbar
  • +Great ANC
  • +Spatial audio
Cons
  • −Swap feature only works with Arc/Arc Ultra
  • −Sonos app issues
  • −Heavy

FAQ: Sennheiser HD 650 vs Sonos Ace

Which is better, Sennheiser HD 650 or Sonos Ace? +

Sennheiser HD 650 scores 90 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.

Is Sennheiser HD 650 worth the price? +

At $499, Sennheiser HD 650 delivers a Specdex score of 90 — strongest in sound.

Is Sonos Ace worth the price? +

At $449, Sonos Ace delivers a Specdex score of 87 — strongest in features.

Does Sennheiser HD 650 or Sonos Ace 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 noise cancelling, Sennheiser HD 650 or Sonos Ace? +

Sonos Ace — leads on anc (90 vs 88). ANC strength for commute and travel.