Bang & Olufsen - Beosound A1 (3rd Gen) vs Marshall - Stockwell III

These two are nearly even on the Mars Score (67.3 vs 65.3). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the Beosound A1 (3rd Gen) if you care most about output power and water resistance. The biggest gaps in its favor are output power, water resistance.

Pick the Stockwell III if you care most about battery and low-end response. Its strongest claims are battery, 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.