Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sonos - Era 100 Portable (rumored) | Sonos - Roam 2 |
|---|---|---|
| Battery | 12 h | 10 h |
| Low-end response | 55 Hz | 60 Hz |
| Water resistance | IP55 | IP67 |
| Output power | 30 W |
Between the Era 100 Portable (rumored) and Roam 2, the Era 100 Portable (rumored) comes out ahead in battery / low-end response, while the Roam 2 wins on water resistance / output power. Overall, the Era 100 Portable (rumored) scores 68.7 and the Roam 2 scores 66 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (68.7 vs 66). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Era 100 Portable (rumored) if you care most about battery / low-end response. The biggest gaps in its favor are battery, low-end response. The single most decisive one: Battery — 20.00% more. 12 h vs 10 h.
Pick the Roam 2 if you care most about water resistance / output power. Its strongest claims are water resistance, output power. The single most decisive one: Water resistance: IP67 (vs IP55).
Both ship with comparable stereo pairing, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Sonos - Era 100 Portable (rumored) or Sonos - Roam 2?
Sonos - Era 100 Portable (rumored) leads the current Mars Score by 2.7 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 Sonos - Era 100 Portable (rumored) if…
Sonos - Era 100 Portable (rumored) has the measurable edge on battery h, frequency low hz.
Choose Sonos - Roam 2 if…
Sonos - Roam 2 has the measurable edge on ip rating, output w.
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 Sonos - Era 100 Portable (rumored) wins
- ▲Battery — 20.00% more. 12 h vs 10 h.
- ▲Low-end response — 5.00 Hz less. 55 vs 60.
Why Sonos - Roam 2 wins
- ▲Water resistance: IP67 (vs IP55).
- ▲Output power: 30 W vs W.
Spec comparison
Audio
| Spec | Sonos - Era 100 Portable (rumored) | Sonos - Roam 2 |
|---|---|---|
| Output power | 30 Wlead | |
| Low-end response | 55 Hzlead | 60 Hz |
| Stereo pairingⓘ | true | true |
Durability
| Spec | Sonos - Era 100 Portable (rumored) | Sonos - Roam 2 |
|---|---|---|
| Water resistanceⓘ | IP55 | IP67lead |
| Weight | 950 g | 430 glead |
Battery
| Spec | Sonos - Era 100 Portable (rumored) | Sonos - Roam 2 |
|---|---|---|
| Battery | 12 hlead | 10 h |
| USB out (powerbank) | false | false |