Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Master & Dynamic - MW75 | Bose - QuietComfort SC |
|---|---|---|
| Weight | 335 g | 240 g |
| Battery life | 28 h | 24 h |
| Driver size | 40 mm | 35 mm |
Between the MW75 and QuietComfort SC, the MW75 comes out ahead in battery life / driver size, while the QuietComfort SC wins on weight. Overall, the MW75 scores 70.2 and the QuietComfort SC scores 70.2 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.
Pick the MW75 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 — 16.67% more. 28 h vs 24 h.
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 — 95.00 g less. 240 vs 335.
Both ship with comparable active noise cancellation, spatial audio, multipoint, 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: Master & Dynamic - MW75 or Bose - QuietComfort SC?
The two products are effectively tied on the current Mars Score.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 Master & Dynamic - MW75 if…
Master & Dynamic - MW75 has the measurable edge on battery life h, driver size mm.
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 Master & Dynamic - MW75 wins
- ▲Battery life — 16.67% more. 28 h vs 24 h.
- ▲Driver size — 14.29% more. 40 mm vs 35 mm.
Why Bose - QuietComfort SC wins
- ▲Weight — 95.00 g less. 240 vs 335.
Spec comparison
Design
| Spec | Master & Dynamic - MW75 | Bose - QuietComfort SC |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 335 g | 240 glead |
| Water resistance | none | none |
Audio
| Spec | Master & Dynamic - MW75 | Bose - QuietComfort SC |
|---|---|---|
| Driver sizeⓘ | 40 mmlead | 35 mm |
| Impedanceⓘ | 32 Ω | 32 Ω |
| Sensitivityⓘ | 100 dBlead | 98 dB |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | false | false |
Battery
| Spec | Master & Dynamic - MW75 | Bose - QuietComfort SC |
|---|---|---|
| Battery lifeⓘ | 28 hlead | 24 h |
| Fast chargeⓘ | true | true |
Connectivity
| Spec | Master & Dynamic - MW75 | Bose - QuietComfort SC |
|---|---|---|
| Bluetoothⓘ | 5.1 | 5.1 |
| Multipointⓘ | true | true |
| 3.5mm jack | true | true |
| LDACⓘ | false | false |
| aptX HDⓘ | truelead | false |
Frequently asked
Which has better battery life, MW75 or QuietComfort SC?+
MW75 lasts 28 hours vs 24 hours.
Do MW75 or QuietComfort SC have active noise cancellation?+
Both models have active noise cancellation.
Which supports LDAC, MW75 or QuietComfort SC?+
Neither supports LDAC.