Between the Charge 6 and Stockwell III, the Charge 6 comes out ahead in output power and battery, while the Stockwell III wins on low-end response. Overall, the Charge 6 scores 68.9 and the Stockwell III scores 65.3 on our Mars Score.
Which should you buy?
The Charge 6 edges ahead on the Mars Score (68.9 vs 65.3), but the 3.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Charge 6 if you care most about output power and battery. The biggest gaps in its favor are output power, battery, water resistance.
Pick the Stockwell III if you care most about low-end response. Its strongest claims are low-end response.
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 JBL - Charge 6 wins
- ▲Output power — 50.00% more. 45 W vs 30 W.
- ▲Battery — 3.70% more. 28 h vs 27 h.
- ▲Water resistance: IP68 (vs IPX4).
Why Marshall - Stockwell III wins
- ▲Low-end response — 5.00 Hz less. 50 vs 55.
Spec comparison
Audio
| Spec | JBL - Charge 6 | Marshall - Stockwell III |
|---|---|---|
| Output power | 45 Wlead | 30 W |
| Low-end response | 55 Hz | 50 Hzlead |
| Stereo pairing | true | true |
Durability
| Spec | JBL - Charge 6 | Marshall - Stockwell III |
|---|---|---|
| Water resistanceⓘ | IP68lead | IPX4 |
| Weight | 1010 glead | 1390 g |
Battery
| Spec | JBL - Charge 6 | Marshall - Stockwell III |
|---|---|---|
| Battery | 28 hlead | 27 h |
| USB out (powerbank) | truelead | false |
Spec-level deep dives
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