Bowers & Wilkins - Px8 vs Sennheiser - Momentum 4 Wireless
Between the Px8 and Momentum 4 Wireless, the Px8 comes out ahead in several specs, while the Momentum 4 Wireless wins on battery life / weight. Overall, the Px8 scores 67.4 and the Momentum 4 Wireless scores 73.9 on our Mars Score.
Which should you buy?
The Momentum 4 Wireless edges ahead on the Mars Score (67.4 vs 73.9), but the 6.5-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The Px8 does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the Momentum 4 Wireless 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, weight, driver size, among others.
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: the Momentum 4 Wireless is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Bowers & Wilkins - Px8 wins
- No decisive advantages.
Why Sennheiser - Momentum 4 Wireless wins
- ▲Battery life — 100.00% more. 60 h vs 30 h.
- ▲Weight — 27.00 g less. 293 vs 320.
- ▲Driver size — 5.00% more. 42 mm vs 40 mm.
- ▲Has LDAC.
Spec comparison
Design
| Spec | Bowers & Wilkins - Px8 | Sennheiser - Momentum 4 Wireless |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 320 g | 293 glead |
| Water resistance | none | none |
Audio
| Spec | Bowers & Wilkins - Px8 | Sennheiser - Momentum 4 Wireless |
|---|---|---|
| Driver sizeⓘ | 40 mm | 42 mmlead |
| Impedanceⓘ | 32 Ω | 60 Ωlead |
| Sensitivityⓘ | 111 dBlead | 106 dB |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | false | false |
Battery
| Spec | Bowers & Wilkins - Px8 | Sennheiser - Momentum 4 Wireless |
|---|---|---|
| Battery life | 30 h | 60 hlead |
| Fast chargeⓘ | true | true |
Connectivity
| Spec | Bowers & Wilkins - Px8 | Sennheiser - Momentum 4 Wireless |
|---|---|---|
| Bluetoothⓘ | 5.2 | 5.2 |
| Multipointⓘ | true | true |
| 3.5mm jack | true | true |
| LDACⓘ | false | truelead |
| aptX HDⓘ | true | true |
Frequently asked
Which has better battery life, Px8 or Momentum 4 Wireless?+
Momentum 4 Wireless lasts 60 hours vs 30 hours.
Do Px8 or Momentum 4 Wireless have active noise cancellation?+
Both models have active noise cancellation.
Which supports LDAC, Px8 or Momentum 4 Wireless?+
Momentum 4 Wireless supports LDAC; Px8 does not.
Spec-level deep dives
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