Bose - QuietComfort Ultra Headphones vs Sony - ULT Wear 2
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bose - QuietComfort Ultra Headphones | Sony - ULT Wear 2 |
|---|---|---|
| Battery life | 24 h | 50 h |
| Driver size | 35 mm | 40 mm |
| Weight | 253 g | 255 g |
| Spatial audio | true | false |
| LDAC | false | true |
Between the QuietComfort Ultra Headphones and ULT Wear 2, the QuietComfort Ultra Headphones comes out ahead in weight / spatial audio, while the ULT Wear 2 wins on battery life / driver size. Overall, the QuietComfort Ultra Headphones scores 69.9 and the ULT Wear 2 scores 75.1 on our Mars Score.
Which should you buy?
The ULT Wear 2 edges ahead on the Mars Score (69.9 vs 75.1), but the 5.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the QuietComfort Ultra Headphones 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. The single most decisive one: Weight — 2.00 g less. 253 vs 255.
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. The single most decisive one: Battery life — 108.33% more. 50 h vs 24 h.
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.
Which should you buy: Bose - QuietComfort Ultra Headphones or Sony - ULT Wear 2?
Sony - ULT Wear 2 leads the current Mars Score by 5.2 points.The more useful decision is the trade-off behind that result: compare driver size, battery life, weight against the way you will actually use the product.
Choose Bose - QuietComfort Ultra Headphones if…
Bose - QuietComfort Ultra Headphones has the measurable edge on weight g, has spatial audio.
Choose Sony - ULT Wear 2 if…
Sony - ULT Wear 2 has the measurable edge on battery life h, driver size mm, supports ldac.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Bose - QuietComfort Ultra Headphones wins
- ▲Weight — 2.00 g less. 253 vs 255.
- ▲Has Spatial audio.
Why Sony - ULT Wear 2 wins
- ▲Battery life — 108.33% more. 50 h vs 24 h.
- ▲Driver size — 14.29% more. 40 mm vs 35 mm.
- ▲Has LDAC.
Spec comparison
Design
| Spec | Bose - QuietComfort Ultra Headphones | Sony - ULT Wear 2 |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 253 glead | 255 g |
| Water resistance | none | none |
Audio
| Spec | Bose - QuietComfort Ultra Headphones | Sony - ULT Wear 2 |
|---|---|---|
| Driver sizeⓘ | 35 mm | 40 mmlead |
| Impedanceⓘ | 32 Ω | 32 Ω |
| Sensitivityⓘ | 100 dB | 100 dB |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | truelead | false |
Battery
| Spec | Bose - QuietComfort Ultra Headphones | Sony - ULT Wear 2 |
|---|---|---|
| Battery lifeⓘ | 24 h | 50 hlead |
| Fast chargeⓘ | true | true |
Connectivity
| Spec | Bose - QuietComfort Ultra Headphones | Sony - ULT Wear 2 |
|---|---|---|
| Bluetoothⓘ | 5.3 | 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 Headphones or ULT Wear 2?+
ULT Wear 2 lasts 50 hours vs 24 hours.
Do QuietComfort Ultra Headphones or ULT Wear 2 have active noise cancellation?+
Both models have active noise cancellation.
Which supports LDAC, QuietComfort Ultra Headphones or ULT Wear 2?+
ULT Wear 2 supports LDAC; QuietComfort Ultra Headphones does not.