Between the Stockwell III and BOOM 4, the Stockwell III comes out ahead in low-end response and battery, while the BOOM 4 wins on water resistance. Overall, the Stockwell III scores 65.3 and the BOOM 4 scores 53.5 on our Mars Score.
Which should you buy?
The Stockwell III is the clear pick on raw spec strength, leading by 11.8 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 Stockwell III if you care most about low-end response and battery. The biggest gaps in its favor are low-end response, battery, output power.
Pick the BOOM 4 if you care most about water resistance. Its strongest claims are water resistance.
Both ship with comparable stereo pairing, so those specs don't separate the two — focus on the differences below.
Bottom line: the Stockwell III is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Marshall - Stockwell III wins
- ▲Low-end response — 40.00 Hz less. 50 vs 90.
- ▲Battery — 35.00% more. 27 h vs 20 h.
- ▲Output power: 30 W vs 0 W.
Why Logitech - BOOM 4 wins
- ▲Water resistance: IP67 (vs IPX4).
Spec comparison
Audio
| Spec | Marshall - Stockwell III | Logitech - BOOM 4 |
|---|---|---|
| Output power | 30 Wlead | 0 W |
| Low-end response | 50 Hzlead | 90 Hz |
| Stereo pairing | true | true |
Durability
| Spec | Marshall - Stockwell III | Logitech - BOOM 4 |
|---|---|---|
| Water resistanceⓘ | IPX4 | IP67lead |
| Weight | 1390 g | 646 glead |
Battery
| Spec | Marshall - Stockwell III | Logitech - BOOM 4 |
|---|---|---|
| Battery | 27 hlead | 20 h |
| USB out (powerbank) | false | false |
Frequently asked
Spec-level deep dives
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