Bang & Olufsen - Beosound A1 (3rd Gen) vs Marshall - Stockwell III
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bang & Olufsen - Beosound A1 (3rd Gen) | Marshall - Stockwell III |
|---|---|---|
| Output power | 60 W | 30 W |
| Battery | 24 h | 27 h |
| Low-end response | 55 Hz | 50 Hz |
| Water resistance | IP67 | IPX4 |
Between the Beosound A1 (3rd Gen) and Stockwell III, the Beosound A1 (3rd Gen) comes out ahead in output power / water resistance, while the Stockwell III wins on battery / low-end response. Overall, the Beosound A1 (3rd Gen) scores 74.1 and the Stockwell III scores 61.4 on our Mars Score.
Which should you buy?
The Beosound A1 (3rd Gen) is the clear pick on raw spec strength, leading by 12.7 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 Beosound A1 (3rd Gen) if you care most about output power / water resistance. The biggest gaps in its favor are output power, water resistance. The single most decisive one: Output power — 100.00% more. 60 W vs 30 W.
Pick the Stockwell III if you care most about battery / low-end response. Its strongest claims are battery, low-end response. The single most decisive one: Battery — 12.50% more. 27 h vs 24 h.
Both ship with comparable stereo pairing, so those specs do not separate the two — focus on the differences below.
Bottom line: the Beosound A1 (3rd Gen) 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: Bang & Olufsen - Beosound A1 (3rd Gen) or Marshall - Stockwell III?
Bang & Olufsen - Beosound A1 (3rd Gen) leads the current Mars Score by 12.7 points.The more useful decision is the trade-off behind that result: compare output power, battery, water resistance against the way you will actually use the product.
Choose Bang & Olufsen - Beosound A1 (3rd Gen) if…
Bang & Olufsen - Beosound A1 (3rd Gen) has the measurable edge on output w, ip rating.
Choose Marshall - Stockwell III if…
Marshall - Stockwell III has the measurable edge on battery h, frequency low hz.
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 Bang & Olufsen - Beosound A1 (3rd Gen) wins
- ▲Output power — 100.00% more. 60 W vs 30 W.
- ▲Water resistance: IP67 (vs IPX4).
Why Marshall - Stockwell III wins
- ▲Battery — 12.50% more. 27 h vs 24 h.
- ▲Low-end response — 5.00 Hz less. 50 vs 55.
Spec comparison
Audio
| Spec | Bang & Olufsen - Beosound A1 (3rd Gen) | Marshall - Stockwell III |
|---|---|---|
| Output power | 60 Wlead | 30 W |
| Low-end response | 55 Hz | 50 Hzlead |
| Stereo pairingⓘ | true | true |
Durability
| Spec | Bang & Olufsen - Beosound A1 (3rd Gen) | Marshall - Stockwell III |
|---|---|---|
| Water resistanceⓘ | IP67lead | IPX4 |
| Weight | 600 glead | 1390 g |
Battery
| Spec | Bang & Olufsen - Beosound A1 (3rd Gen) | Marshall - Stockwell III |
|---|---|---|
| Battery | 24 h | 27 hlead |
| USB out (powerbank) | false | false |