Between the QuietComfort Ultra 2 and ULT Wear 2, the QuietComfort Ultra 2 comes out ahead in weight / spatial audio, while the ULT Wear 2 wins on battery life / driver size. Overall, the QuietComfort Ultra 2 scores 64 and the ULT Wear 2 scores 70.9 on our Mars Score.
Which should you buy?
The ULT Wear 2 edges ahead on the Mars Score (64 vs 70.9), but the 6.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the QuietComfort Ultra 2 if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight, spatial audio.
Pick the ULT Wear 2 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are battery life, driver size, ldac.
Both ship with comparable active noise cancellation, multipoint, water resistance, so those specs do not separate the two — focus on the differences below.
Bottom line: the ULT Wear 2 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Bose - QuietComfort Ultra 2 wins
- ▲Weight — 2.00 g less. 253 vs 255.
- ▲Has Spatial audio.
Why Sony - ULT Wear 2 wins
- ▲Battery life — 66.67% more. 50 h vs 30 h.
- ▲Driver size — 14.29% more. 40 mm vs 35 mm.
- ▲Has LDAC.
Spec comparison
Design
| Spec | Bose - QuietComfort Ultra 2 | Sony - ULT Wear 2 |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 253 glead | 255 g |
| Water resistance | none | none |
Audio
| Spec | Bose - QuietComfort Ultra 2 | Sony - ULT Wear 2 |
|---|---|---|
| Driver sizeⓘ | 35 mm | 40 mmlead |
| Impedanceⓘ | 32 Ω | 32 Ω |
| Sensitivityⓘ | 98 dB | 100 dBlead |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | truelead | false |
Battery
| Spec | Bose - QuietComfort Ultra 2 | Sony - ULT Wear 2 |
|---|---|---|
| Battery life | 30 h | 50 hlead |
| Fast chargeⓘ | true | true |
Connectivity
| Spec | Bose - QuietComfort Ultra 2 | Sony - ULT Wear 2 |
|---|---|---|
| Bluetoothⓘ | 5.4lead | 5.3 |
| Multipointⓘ | true | true |
| 3.5mm jack | true | true |
| LDACⓘ | false | truelead |
| aptX HDⓘ | truelead | false |
Frequently asked
Which has better battery life, QuietComfort Ultra 2 or ULT Wear 2?+
ULT Wear 2 lasts 50 hours vs 30 hours.
Do QuietComfort Ultra 2 or ULT Wear 2 have active noise cancellation?+
Both models have active noise cancellation.
Which supports LDAC, QuietComfort Ultra 2 or ULT Wear 2?+
ULT Wear 2 supports LDAC; QuietComfort Ultra 2 does not.
Spec-level deep dives
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