Bose
Bose QuietComfort Ultra
CustomTune ANC · Immersive Audio · LDAC
93
/ 100
From $429
VS
Bose QuietComfort Ultra wins by 6
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
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
Spec
Bose QuietComfort Ultra
Sonos Ace
Driver
35 mm dynamic
40 mm dynamic
Battery
24 h (ANC on)
30 h
Weight
254 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
- −Plastic build
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.