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Bose QuietComfort Ultra — CustomTune ANC · Immersive Audio · aptX Adaptive
Bose

Bose QuietComfort Ultra

CustomTune ANC · Immersive Audio · aptX Adaptive

93
/ 100
From $429
VS
Bose QuietComfort Ultra wins by 6
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

Bose QuietComfort Ultra takes it — here’s why.

In our weighted Specdex score, Bose QuietComfort Ultra lands at 93 and Sonos Ace at 87. That puts Bose QuietComfort Ultra ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Bose QuietComfort Ultra if…

  • ✓Best comfort in class
  • ✓Excellent ANC
  • ✓Immersive Audio spatial feature

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

Bose QuietComfort Ultra

Tuning, detail, and staging

Bose QuietComfort Ultra leads on sound (92 vs 90).

Noise cancelling

Bose QuietComfort Ultra

ANC strength for commute and travel

Bose QuietComfort Ultra leads on anc (96 vs 90).

Comfort

Bose QuietComfort Ultra

Long-session wearability

Bose QuietComfort Ultra leads on comfort (98 vs 88).

Value for money

Bose QuietComfort Ultra

Specdex score per dollar at MSRP

Bose QuietComfort Ultra more score per dollar ($429 vs $449).

Bose QuietComfort Ultra 93
vs
87 Sonos Ace

Score breakdown

Bose QuietComfort Ultra
93
anc 96
sound 92
comfort 98
battery 86
features 90
Sonos Ace
87
anc 90
sound 90
comfort 88
battery 84
features 92

Specs side-by-side

Bose QuietComfort Ultra versus Sonos Ace — full spec comparison
Spec Bose QuietComfort Ultra Sonos Ace
Driver
35 mm dynamic
40 mm dynamic
Battery
24 h (Immersive Audio off) / 18 h (on)
▲ 30 h
Weight
▲ 253 g
312 g
Codecs
SBC, AAC, aptX Adaptive
aptX Lossless via Snapdragon Sound

Bose QuietComfort Ultra

Pros
  • +Best comfort in class
  • +Excellent ANC
  • +Immersive Audio spatial feature
Cons
  • −Bose app fiddly
  • −No USB-C audio (3.5 mm + Bluetooth only)
  • −No LDAC support

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: Bose QuietComfort Ultra vs Sonos Ace

Which is better, Bose QuietComfort Ultra or Sonos Ace? +

Bose QuietComfort Ultra scores 93 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.

Is Bose QuietComfort Ultra worth the price? +

At $429, Bose QuietComfort Ultra delivers a Specdex score of 93 — strongest in comfort.

Is Sonos Ace worth the price? +

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

Does Bose QuietComfort Ultra 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 sound quality, Bose QuietComfort Ultra or Sonos Ace? +

Bose QuietComfort Ultra — leads on sound (92 vs 90). Tuning, detail, and staging.

Which is better for noise cancelling, Bose QuietComfort Ultra or Sonos Ace? +

Bose QuietComfort Ultra — leads on anc (96 vs 90). ANC strength for commute and travel.