Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Apple - HomePod mini | Marshall - Stockwell III |
|---|---|---|
| Output power | 20 W | 30 W |
| Water resistance | IPX0 | IPX4 |
| Battery | 0 h | 27 h |
Between the HomePod mini and Stockwell III, the HomePod mini comes out ahead in several specs, while the Stockwell III wins on output power / water resistance. Overall, the HomePod mini scores 38.1 and the Stockwell III scores 61.4 on our Mars Score.
Which should you buy?
The Stockwell III is the clear pick on raw spec strength, leading by 23.3 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.
The HomePod mini does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the Stockwell III if you care most about output power / water resistance. Its strongest claims are output power, water resistance, battery. The single most decisive one: Output power — 50.00% more. 30 W vs 20 W.
Both ship with comparable low-end response, stereo pairing, so those specs do not 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.
Which should you buy: Apple - HomePod mini or Marshall - Stockwell III?
Marshall - Stockwell III leads the current Mars Score by 23.3 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 Apple - HomePod mini if…
Apple - HomePod mini does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose Marshall - Stockwell III if…
Marshall - Stockwell III has the measurable edge on output w, ip rating, battery h.
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 Apple - HomePod mini wins
- No decisive advantages.
Why Marshall - Stockwell III wins
- ▲Output power — 50.00% more. 30 W vs 20 W.
- ▲Water resistance: IPX4 (vs IPX0).
- ▲Battery: 27 h vs 0 h.
Spec comparison
Audio
| Spec | Apple - HomePod mini | Marshall - Stockwell III |
|---|---|---|
| Output power | 20 W | 30 Wlead |
| Low-end response | 50 Hz | 50 Hz |
| Stereo pairingⓘ | true | true |
Durability
| Spec | Apple - HomePod mini | Marshall - Stockwell III |
|---|---|---|
| Water resistanceⓘ | IPX0 | IPX4lead |
| Weight | 345 glead | 1390 g |
Battery
| Spec | Apple - HomePod mini | Marshall - Stockwell III |
|---|---|---|
| Battery | 0 h | 27 hlead |
| USB out (powerbank) | false | false |