Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Beyerdynamic - Aventho 300 | Sennheiser - HD 800 S |
|---|---|---|
| Weight | 260 g | 330 g |
| Driver size | 40 mm | 56 mm |
| Active noise cancellation | true | false |
| Multipoint | true | false |
| LDAC | true | false |
| Battery life | 60 h | 0 h |
Between the Aventho 300 and HD 800 S, the Aventho 300 comes out ahead in weight / active noise cancellation, while the HD 800 S wins on driver size. Overall, the Aventho 300 scores 76.4 and the HD 800 S scores 55.3 on our Mars Score.
Which should you buy?
The Aventho 300 is the clear pick on raw spec strength, leading by 21.1 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 Aventho 300 if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight, active noise cancellation, multipoint, among others. The single most decisive one: Weight — 70.00 g less. 260 vs 330.
Pick the HD 800 S if you care most about driver size. Its strongest claims are driver size. The single most decisive one: Driver size — 40.00% more. 56 mm vs 40 mm.
Both ship with comparable spatial audio, water resistance, so those specs do not separate the two — focus on the differences below.
Bottom line: the Aventho 300 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: Beyerdynamic - Aventho 300 or Sennheiser - HD 800 S?
Beyerdynamic - Aventho 300 leads the current Mars Score by 21.1 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 Beyerdynamic - Aventho 300 if…
Beyerdynamic - Aventho 300 has the measurable edge on weight g, has anc, has multipoint.
Choose Sennheiser - HD 800 S if…
Sennheiser - HD 800 S has the measurable edge on driver size mm.
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 Beyerdynamic - Aventho 300 wins
- ▲Weight — 70.00 g less. 260 vs 330.
- ▲Has Active noise cancellation.
- ▲Has Multipoint.
- ▲Has LDAC.
- ▲Battery life: 60 h vs 0 h.
Why Sennheiser - HD 800 S wins
- ▲Driver size — 40.00% more. 56 mm vs 40 mm.
Spec comparison
Design
| Spec | Beyerdynamic - Aventho 300 | Sennheiser - HD 800 S |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 260 glead | 330 g |
| Water resistance | none | none |
Audio
| Spec | Beyerdynamic - Aventho 300 | Sennheiser - HD 800 S |
|---|---|---|
| Driver sizeⓘ | 40 mm | 56 mmlead |
| Impedanceⓘ | 32 Ω | 300 Ωlead |
| Sensitivityⓘ | 100 dB | 102 dBlead |
| Active noise cancellationⓘ | truelead | false |
| Transparency mode | truelead | false |
| Spatial audioⓘ | false | false |
Battery
| Spec | Beyerdynamic - Aventho 300 | Sennheiser - HD 800 S |
|---|---|---|
| Battery lifeⓘ | 60 hlead | 0 h |
| Fast chargeⓘ | truelead | false |
Connectivity
| Spec | Beyerdynamic - Aventho 300 | Sennheiser - HD 800 S |
|---|---|---|
| Bluetoothⓘ | 5.3lead | 0 |
| Multipointⓘ | truelead | false |
| 3.5mm jack | true | true |
| LDACⓘ | truelead | false |
| aptX HDⓘ | truelead | false |
Frequently asked
Which has better battery life, Aventho 300 or HD 800 S?+
Aventho 300 lasts 60 hours vs 0 hours.
Do Aventho 300 or HD 800 S have active noise cancellation?+
Aventho 300 has active noise cancellation; HD 800 S does not.
Which supports LDAC, Aventho 300 or HD 800 S?+
Aventho 300 supports LDAC; HD 800 S does not.