Bang & Olufsen - Beoplay HX vs Bose - QuietComfort Ultra Headphones
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bang & Olufsen - Beoplay HX | Bose - QuietComfort Ultra Headphones |
|---|---|---|
| Battery life | 35 h | 24 h |
| Weight | 285 g | 253 g |
| Driver size | 40 mm | 35 mm |
| Spatial audio | false | true |
Between the Beoplay HX and QuietComfort Ultra Headphones, the Beoplay HX comes out ahead in battery life / driver size, while the QuietComfort Ultra Headphones wins on weight / spatial audio. Overall, the Beoplay HX scores 72.3 and the QuietComfort Ultra Headphones scores 69.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (72.3 vs 69.9). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Beoplay HX if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are battery life, driver size. The single most decisive one: Battery life — 45.83% more. 35 h vs 24 h.
Pick the QuietComfort Ultra Headphones if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, spatial audio. The single most decisive one: Weight — 32.00 g less. 253 vs 285.
Both ship with comparable active noise cancellation, multipoint, ldac, 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: Bang & Olufsen - Beoplay HX or Bose - QuietComfort Ultra Headphones?
Bang & Olufsen - Beoplay HX leads the current Mars Score by 2.4 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 Bang & Olufsen - Beoplay HX if…
Bang & Olufsen - Beoplay HX has the measurable edge on battery life h, driver size mm.
Choose Bose - QuietComfort Ultra Headphones if…
Bose - QuietComfort Ultra Headphones has the measurable edge on weight g, has spatial audio.
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 Bang & Olufsen - Beoplay HX wins
- ▲Battery life — 45.83% more. 35 h vs 24 h.
- ▲Driver size — 14.29% more. 40 mm vs 35 mm.
Why Bose - QuietComfort Ultra Headphones wins
- ▲Weight — 32.00 g less. 253 vs 285.
- ▲Has Spatial audio.
Spec comparison
Design
| Spec | Bang & Olufsen - Beoplay HX | Bose - QuietComfort Ultra Headphones |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 285 g | 253 glead |
| Water resistance | none | none |
Audio
| Spec | Bang & Olufsen - Beoplay HX | Bose - QuietComfort Ultra Headphones |
|---|---|---|
| Driver sizeⓘ | 40 mmlead | 35 mm |
| Impedanceⓘ | 21 Ω | 32 Ωlead |
| Sensitivityⓘ | 96 dB | 100 dBlead |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | false | truelead |
Battery
| Spec | Bang & Olufsen - Beoplay HX | Bose - QuietComfort Ultra Headphones |
|---|---|---|
| Battery lifeⓘ | 35 hlead | 24 h |
| Fast chargeⓘ | true | true |
Connectivity
| Spec | Bang & Olufsen - Beoplay HX | Bose - QuietComfort Ultra Headphones |
|---|---|---|
| Bluetoothⓘ | 5.1 | 5.3lead |
| Multipointⓘ | true | true |
| 3.5mm jack | true | true |
| LDACⓘ | false | false |
| aptX HDⓘ | true | true |
Frequently asked
Which has better battery life, Beoplay HX or QuietComfort Ultra Headphones?+
Beoplay HX lasts 35 hours vs 24 hours.
Do Beoplay HX or QuietComfort Ultra Headphones have active noise cancellation?+
Both models have active noise cancellation.
Which supports LDAC, Beoplay HX or QuietComfort Ultra Headphones?+
Neither supports LDAC.