Between the Stockwell III and Move 2, the Stockwell III comes out ahead in battery, while the Move 2 wins on output power and low-end response. Overall, the Stockwell III scores 65.3 and the Move 2 scores 69 on our Mars Score.
Which should you buy?
The Move 2 edges ahead on the Mars Score (65.3 vs 69), but the 3.7-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Stockwell III if you care most about battery. The biggest gaps in its favor are battery.
Pick the Move 2 if you care most about output power and low-end response. Its strongest claims are output power, low-end response, water resistance.
Both ship with comparable stereo pairing, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Marshall - Stockwell III wins
- ▲Battery — 12.50% more. 27 h vs 24 h.
Why Sonos - Move 2 wins
- ▲Output power — 133.33% more. 70 W vs 30 W.
- ▲Low-end response — 3.00 Hz less. 47 vs 50.
- ▲Water resistance: IP56 (vs IPX4).
Spec comparison
Audio
| Spec | Marshall - Stockwell III | Sonos - Move 2 |
|---|---|---|
| Output power | 30 W | 70 Wlead |
| Low-end response | 50 Hz | 47 Hzlead |
| Stereo pairing | true | true |
Durability
| Spec | Marshall - Stockwell III | Sonos - Move 2 |
|---|---|---|
| Water resistanceⓘ | IPX4 | IP56lead |
| Weight | 1390 glead | 3000 g |
Battery
| Spec | Marshall - Stockwell III | Sonos - Move 2 |
|---|---|---|
| Battery | 27 hlead | 24 h |
| USB out (powerbank) | false | false |
Spec-level deep dives
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