Bose - QuietComfort Ultra Headphones vs Bose - QuietComfort SC
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bose - QuietComfort Ultra Headphones | Bose - QuietComfort SC |
|---|---|---|
| Weight | 253 g | 240 g |
| Spatial audio | true | false |
Between the QuietComfort Ultra Headphones and QuietComfort SC, the QuietComfort Ultra Headphones comes out ahead in spatial audio, while the QuietComfort SC wins on weight. Overall, the QuietComfort Ultra Headphones scores 69.9 and the QuietComfort SC scores 70.2 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (69.9 vs 70.2). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the QuietComfort Ultra Headphones if audio quality and feature breadth (ANC, codecs, multipoint) are the lead criteria for your purchase. The biggest gaps in its favor are spatial audio. The single most decisive one: Has Spatial audio.
Pick the QuietComfort SC if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight. The single most decisive one: Weight — 13.00 g less. 240 vs 253.
Both ship with comparable battery life, driver size, active noise cancellation, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Bose - QuietComfort Ultra Headphones or Bose - QuietComfort SC?
Bose - QuietComfort SC leads the current Mars Score by 0.3 points.The more useful decision is the trade-off behind that result: compare 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 has spatial audio.
Choose Bose - QuietComfort SC if…
Bose - QuietComfort SC has the measurable edge on weight g.
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
- ▲Has Spatial audio.
Why Bose - QuietComfort SC wins
- ▲Weight — 13.00 g less. 240 vs 253.
Spec comparison
Design
| Spec | Bose - QuietComfort Ultra Headphones | Bose - QuietComfort SC |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 253 g | 240 glead |
| Water resistance | none | none |
Audio
| Spec | Bose - QuietComfort Ultra Headphones | Bose - QuietComfort SC |
|---|---|---|
| Driver sizeⓘ | 35 mm | 35 mm |
| Impedanceⓘ | 32 Ω | 32 Ω |
| Sensitivityⓘ | 100 dBlead | 98 dB |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | truelead | false |
Battery
| Spec | Bose - QuietComfort Ultra Headphones | Bose - QuietComfort SC |
|---|---|---|
| Battery lifeⓘ | 24 h | 24 h |
| Fast chargeⓘ | true | true |
Connectivity
| Spec | Bose - QuietComfort Ultra Headphones | Bose - QuietComfort SC |
|---|---|---|
| Bluetoothⓘ | 5.3lead | 5.1 |
| Multipointⓘ | true | true |
| 3.5mm jack | true | true |
| LDACⓘ | false | false |
| aptX HDⓘ | truelead | false |
Frequently asked
Which has better battery life, QuietComfort Ultra Headphones or QuietComfort SC?+
QuietComfort SC lasts 24 hours vs 24 hours.
Do QuietComfort Ultra Headphones or QuietComfort SC have active noise cancellation?+
Both models have active noise cancellation.
Which supports LDAC, QuietComfort Ultra Headphones or QuietComfort SC?+
Neither supports LDAC.