Sonos - Era 100 Portable (rumored) vs Sonos - Roam 2

These two are nearly even on the Mars Score (44 vs 46.6). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the Era 100 Portable (rumored) if you care most about battery and low-end response. The biggest gaps in its favor are battery, low-end response.

Pick the Roam 2 if you care most about water resistance and output power. Its strongest claims are water resistance, output power.

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.