Audio-Technica - ATH-M50xBT2 vs Sennheiser - Momentum 5 Wireless
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Audio-Technica - ATH-M50xBT2 | Sennheiser - Momentum 5 Wireless |
|---|---|---|
| Battery life | 50 h | 60 h |
| Weight | 307 g | 293 g |
| Driver size | 45 mm | 42 mm |
| Active noise cancellation | false | true |
Between the ATH-M50xBT2 and Momentum 5 Wireless, the ATH-M50xBT2 comes out ahead in driver size, while the Momentum 5 Wireless wins on battery life / weight. Overall, the ATH-M50xBT2 scores 59.8 and the Momentum 5 Wireless scores 76.3 on our Mars Score.
Which should you buy?
The Momentum 5 Wireless is the clear pick on raw spec strength, leading by 16.5 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the ATH-M50xBT2 if you care most about driver size. The biggest gaps in its favor are driver size. The single most decisive one: Driver size — 7.14% more. 45 mm vs 42 mm.
Pick the Momentum 5 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, active noise cancellation. The single most decisive one: Battery life — 20.00% more. 60 h vs 50 h.
Both ship with comparable spatial audio, multipoint, ldac, so those specs do not separate the two — focus on the differences below.
Bottom line: the Momentum 5 Wireless is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Audio-Technica - ATH-M50xBT2 or Sennheiser - Momentum 5 Wireless?
Sennheiser - Momentum 5 Wireless leads the current Mars Score by 16.5 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 Audio-Technica - ATH-M50xBT2 if…
Audio-Technica - ATH-M50xBT2 has the measurable edge on driver size mm.
Choose Sennheiser - Momentum 5 Wireless if…
Sennheiser - Momentum 5 Wireless has the measurable edge on battery life h, weight g, has anc.
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 Audio-Technica - ATH-M50xBT2 wins
- ▲Driver size — 7.14% more. 45 mm vs 42 mm.
Why Sennheiser - Momentum 5 Wireless wins
- ▲Battery life — 20.00% more. 60 h vs 50 h.
- ▲Weight — 14.00 g less. 293 vs 307.
- ▲Has Active noise cancellation.
Spec comparison
Design
| Spec | Audio-Technica - ATH-M50xBT2 | Sennheiser - Momentum 5 Wireless |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 307 g | 293 glead |
| Water resistance | none | none |
Audio
| Spec | Audio-Technica - ATH-M50xBT2 | Sennheiser - Momentum 5 Wireless |
|---|---|---|
| Driver sizeⓘ | 45 mmlead | 42 mm |
| Impedanceⓘ | 38 Ω | 60 Ωlead |
| Sensitivityⓘ | 99 dB | 106 dBlead |
| Active noise cancellationⓘ | false | truelead |
| Transparency mode | false | truelead |
| Spatial audioⓘ | false | false |
Battery
| Spec | Audio-Technica - ATH-M50xBT2 | Sennheiser - Momentum 5 Wireless |
|---|---|---|
| Battery lifeⓘ | 50 h | 60 hlead |
| Fast chargeⓘ | true | true |
Connectivity
| Spec | Audio-Technica - ATH-M50xBT2 | Sennheiser - Momentum 5 Wireless |
|---|---|---|
| Bluetoothⓘ | 5.0 | 5.2lead |
| Multipointⓘ | true | true |
| 3.5mm jack | true | true |
| LDACⓘ | true | true |
| aptX HDⓘ | true | true |
Frequently asked
Which has better battery life, ATH-M50xBT2 or Momentum 5 Wireless?+
Momentum 5 Wireless lasts 60 hours vs 50 hours.
Do ATH-M50xBT2 or Momentum 5 Wireless have active noise cancellation?+
Momentum 5 Wireless has active noise cancellation; ATH-M50xBT2 does not.
Which supports LDAC, ATH-M50xBT2 or Momentum 5 Wireless?+
Both support LDAC.