Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sennheiser - HD 660S2 | Marshall - Major V |
|---|---|---|
| Weight | 260 g | 186 g |
| Driver size | 42 mm | 40 mm |
| Multipoint | false | true |
| Battery life | 0 h | 100 h |
Between the HD 660S2 and Major V, the HD 660S2 comes out ahead in driver size, while the Major V wins on weight / multipoint. Overall, the HD 660S2 scores 52.5 and the Major V scores 68.5 on our Mars Score.
Which should you buy?
The Major V is the clear pick on raw spec strength, leading by 16.0 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 HD 660S2 if you care most about driver size. The biggest gaps in its favor are driver size. The single most decisive one: Driver size — 5.00% more. 42 mm vs 40 mm.
Pick the Major V 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 weight, multipoint, battery life. The single most decisive one: Weight — 74.00 g less. 186 vs 260.
Both ship with comparable active noise cancellation, spatial audio, ldac, so those specs do not separate the two — focus on the differences below.
Bottom line: the Major V 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: Sennheiser - HD 660S2 or Marshall - Major V?
Marshall - Major V leads the current Mars Score by 16.0 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 Sennheiser - HD 660S2 if…
Sennheiser - HD 660S2 has the measurable edge on driver size mm.
Choose Marshall - Major V if…
Marshall - Major V has the measurable edge on weight g, has multipoint, battery life h.
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 Sennheiser - HD 660S2 wins
- ▲Driver size — 5.00% more. 42 mm vs 40 mm.
Why Marshall - Major V wins
- ▲Weight — 74.00 g less. 186 vs 260.
- ▲Has Multipoint.
- ▲Battery life: 100 h vs 0 h.
Spec comparison
Design
| Spec | Sennheiser - HD 660S2 | Marshall - Major V |
|---|---|---|
| Type | over-earlead | on-ear |
| Weight | 260 g | 186 glead |
| Water resistance | none | none |
Audio
| Spec | Sennheiser - HD 660S2 | Marshall - Major V |
|---|---|---|
| Driver sizeⓘ | 42 mmlead | 40 mm |
| Impedanceⓘ | 300 Ωlead | 32 Ω |
| Sensitivityⓘ | 104 dBlead | 99 dB |
| Active noise cancellationⓘ | false | false |
| Transparency mode | false | false |
| Spatial audioⓘ | false | false |
Battery
| Spec | Sennheiser - HD 660S2 | Marshall - Major V |
|---|---|---|
| Battery lifeⓘ | 0 h | 100 hlead |
| Fast chargeⓘ | false | truelead |
Connectivity
| Spec | Sennheiser - HD 660S2 | Marshall - Major V |
|---|---|---|
| Bluetoothⓘ | 0 | 5.3lead |
| Multipointⓘ | false | truelead |
| 3.5mm jack | true | true |
| LDACⓘ | false | false |
| aptX HDⓘ | false | false |
Frequently asked
Which has better battery life, HD 660S2 or Major V?+
Major V lasts 100 hours vs 0 hours.
Do HD 660S2 or Major V have active noise cancellation?+
Neither model has active noise cancellation.
Which supports LDAC, HD 660S2 or Major V?+
Neither supports LDAC.