Beyerdynamic - Aventho 300 vs Bang & Olufsen - Beoplay HX
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Beyerdynamic - Aventho 300 | Bang & Olufsen - Beoplay HX |
|---|---|---|
| Battery life | 60 h | 35 h |
| Weight | 260 g | 285 g |
| LDAC | true | false |
Between the Aventho 300 and Beoplay HX, the Aventho 300 comes out ahead in battery life / weight, while the Beoplay HX wins on several specs. Overall, the Aventho 300 scores 76.4 and the Beoplay HX scores 72.3 on our Mars Score.
Which should you buy?
The Aventho 300 edges ahead on the Mars Score (76.4 vs 72.3), but the 4.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Aventho 300 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 battery life, weight, ldac. The single most decisive one: Battery life — 71.43% more. 60 h vs 35 h.
The Beoplay HX 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: Beyerdynamic - Aventho 300 or Bang & Olufsen - Beoplay HX?
Beyerdynamic - Aventho 300 leads the current Mars Score by 4.1 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 Beyerdynamic - Aventho 300 if…
Beyerdynamic - Aventho 300 has the measurable edge on battery life h, weight g, supports ldac.
Choose Bang & Olufsen - Beoplay HX if…
Bang & Olufsen - Beoplay HX 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 Beyerdynamic - Aventho 300 wins
- ▲Battery life — 71.43% more. 60 h vs 35 h.
- ▲Weight — 25.00 g less. 260 vs 285.
- ▲Has LDAC.
Why Bang & Olufsen - Beoplay HX wins
- No decisive advantages.
Spec comparison
Design
| Spec | Beyerdynamic - Aventho 300 | Bang & Olufsen - Beoplay HX |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 260 glead | 285 g |
| Water resistance | none | none |
Audio
| Spec | Beyerdynamic - Aventho 300 | Bang & Olufsen - Beoplay HX |
|---|---|---|
| Driver sizeⓘ | 40 mm | 40 mm |
| Impedanceⓘ | 32 Ωlead | 21 Ω |
| Sensitivityⓘ | 100 dBlead | 96 dB |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | false | false |
Battery
| Spec | Beyerdynamic - Aventho 300 | Bang & Olufsen - Beoplay HX |
|---|---|---|
| Battery lifeⓘ | 60 hlead | 35 h |
| Fast chargeⓘ | true | true |
Connectivity
| Spec | Beyerdynamic - Aventho 300 | Bang & Olufsen - Beoplay HX |
|---|---|---|
| Bluetoothⓘ | 5.3lead | 5.1 |
| Multipointⓘ | true | true |
| 3.5mm jack | true | true |
| LDACⓘ | truelead | false |
| aptX HDⓘ | true | true |
Frequently asked
Which has better battery life, Aventho 300 or Beoplay HX?+
Aventho 300 lasts 60 hours vs 35 hours.
Do Aventho 300 or Beoplay HX have active noise cancellation?+
Both models have active noise cancellation.
Which supports LDAC, Aventho 300 or Beoplay HX?+
Aventho 300 supports LDAC; Beoplay HX does not.