Bang & Olufsen - Beosound A1 (3rd Gen) vs Sonos - Roam 2
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) | Sonos - Roam 2 |
|---|---|---|
| Battery | 24 h | 10 h |
| Output power | 60 W | 30 W |
| Low-end response | 55 Hz | 60 Hz |
Between the Beosound A1 (3rd Gen) and Roam 2, the Beosound A1 (3rd Gen) comes out ahead in battery / output power, while the Roam 2 wins on several specs. Overall, the Beosound A1 (3rd Gen) scores 78.3 and the Roam 2 scores 66 on our Mars Score.
Which should you buy?
The Beosound A1 (3rd Gen) is the clear pick on raw spec strength, leading by 12.3 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 battery / output power. The biggest gaps in its favor are battery, output power, low-end response. The single most decisive one: Battery — 140.00% more. 24 h vs 10 h.
The Roam 2 similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable water resistance, 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 Sonos - Roam 2?
Bang & Olufsen - Beosound A1 (3rd Gen) leads the current Mars Score by 12.3 points.The more useful decision is the trade-off behind that result: compare output power, battery 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 battery h, output w, frequency low hz.
Choose Sonos - Roam 2 if…
Sonos - Roam 2 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 Bang & Olufsen - Beosound A1 (3rd Gen) wins
- ▲Battery — 140.00% more. 24 h vs 10 h.
- ▲Output power — 100.00% more. 60 W vs 30 W.
- ▲Low-end response — 5.00 Hz less. 55 vs 60.
Why Sonos - Roam 2 wins
- No decisive advantages.
Spec comparison
Audio
| Spec | Bang & Olufsen - Beosound A1 (3rd Gen) | Sonos - Roam 2 |
|---|---|---|
| Output power | 60 Wlead | 30 W |
| Low-end response | 55 Hzlead | 60 Hz |
| Stereo pairingⓘ | true | true |
Durability
| Spec | Bang & Olufsen - Beosound A1 (3rd Gen) | Sonos - Roam 2 |
|---|---|---|
| Water resistanceⓘ | IP67 | IP67 |
| Weight | 600 g | 430 glead |
Battery
| Spec | Bang & Olufsen - Beosound A1 (3rd Gen) | Sonos - Roam 2 |
|---|---|---|
| Battery | 24 hlead | 10 h |
| USB out (powerbank) | false | false |