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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
VS
Sennheiser HD 650 wins by 3
Sennheiser HD 650 — Over-ear · 2003
Sennheiser

Sennheiser HD 650

Over-ear · 2003

90
/ 100
From $499
Specdex verdict

Sennheiser HD 650 takes it — here’s why.

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

Pick Sonos Ace if…

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

Pick Sennheiser HD 650 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

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.

Sonos Ace 87
vs
90 Sennheiser HD 650

Score breakdown

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

Specs side-by-side

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

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

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

FAQ: Sonos Ace vs Sennheiser HD 650

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

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

Is Sonos Ace worth the price? +

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

Is Sennheiser HD 650 worth the price? +

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

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

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