Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bowers & Wilkins - Px8 | Master & Dynamic - MW75 |
|---|---|---|
| Weight | 320 g | 335 g |
| Battery life | 30 h | 28 h |
Between the Px8 and MW75, the Px8 comes out ahead in weight / battery life, while the MW75 wins on several specs. Overall, the Px8 scores 70.8 and the MW75 scores 70.2 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (70.8 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 Px8 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 weight, battery life. The single most decisive one: Weight — 15.00 g less. 320 vs 335.
The MW75 similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable driver size, active noise cancellation, spatial audio, 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: Bowers & Wilkins - Px8 or Master & Dynamic - MW75?
Bowers & Wilkins - Px8 leads the current Mars Score by 0.6 points.The more useful decision is the trade-off behind that result: compare battery life, weight against the way you will actually use the product.
Choose Bowers & Wilkins - Px8 if…
Bowers & Wilkins - Px8 has the measurable edge on weight g, battery life h.
Choose Master & Dynamic - MW75 if…
Master & Dynamic - MW75 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 Bowers & Wilkins - Px8 wins
- ▲Weight — 15.00 g less. 320 vs 335.
- ▲Battery life — 7.14% more. 30 h vs 28 h.
Why Master & Dynamic - MW75 wins
- No decisive advantages.
Spec comparison
Design
| Spec | Bowers & Wilkins - Px8 | Master & Dynamic - MW75 |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 320 glead | 335 g |
| Water resistance | none | none |
Audio
| Spec | Bowers & Wilkins - Px8 | Master & Dynamic - MW75 |
|---|---|---|
| Driver sizeⓘ | 40 mm | 40 mm |
| Impedanceⓘ | 32 Ω | 32 Ω |
| Sensitivityⓘ | 111 dBlead | 100 dB |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | false | false |
Battery
| Spec | Bowers & Wilkins - Px8 | Master & Dynamic - MW75 |
|---|---|---|
| Battery lifeⓘ | 30 hlead | 28 h |
| Fast chargeⓘ | true | true |
Connectivity
| Spec | Bowers & Wilkins - Px8 | Master & Dynamic - MW75 |
|---|---|---|
| Bluetoothⓘ | 5.2lead | 5.1 |
| Multipointⓘ | true | true |
| 3.5mm jack | true | true |
| LDACⓘ | false | false |
| aptX HDⓘ | true | true |
Frequently asked
Which has better battery life, Px8 or MW75?+
Px8 lasts 30 hours vs 28 hours.
Do Px8 or MW75 have active noise cancellation?+
Both models have active noise cancellation.
Which supports LDAC, Px8 or MW75?+
Neither supports LDAC.