Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | JBL - Xtreme 4 | Sonos - Era 100 Portable (rumored) |
|---|---|---|
| Battery | 24 h | 12 h |
| Low-end response | 53 Hz | 55 Hz |
| Water resistance | IP67 | IP55 |
| Output power | 100 W |
Between the Xtreme 4 and Era 100 Portable (rumored), the Xtreme 4 comes out ahead in battery / low-end response, while the Era 100 Portable (rumored) wins on several specs. Overall, the Xtreme 4 scores 80.9 and the Era 100 Portable (rumored) scores 68.7 on our Mars Score.
Which should you buy?
The Xtreme 4 is the clear pick on raw spec strength, leading by 12.2 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.
Pick the Xtreme 4 if you care most about battery / low-end response. The biggest gaps in its favor are battery, low-end response, water resistance, among others. The single most decisive one: Battery — 100.00% more. 24 h vs 12 h.
The Era 100 Portable (rumored) similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable stereo pairing, so those specs do not separate the two — focus on the differences below.
Bottom line: the Xtreme 4 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: JBL - Xtreme 4 or Sonos - Era 100 Portable (rumored)?
JBL - Xtreme 4 leads the current Mars Score by 12.2 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 JBL - Xtreme 4 if…
JBL - Xtreme 4 has the measurable edge on battery h, frequency low hz, ip rating.
Choose Sonos - Era 100 Portable (rumored) if…
Sonos - Era 100 Portable (rumored) does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 JBL - Xtreme 4 wins
- ▲Battery — 100.00% more. 24 h vs 12 h.
- ▲Low-end response — 2.00 Hz less. 53 vs 55.
- ▲Water resistance: IP67 (vs IP55).
- ▲Output power: 100 W vs W.
Why Sonos - Era 100 Portable (rumored) wins
- No decisive advantages.
Spec comparison
Audio
| Spec | JBL - Xtreme 4 | Sonos - Era 100 Portable (rumored) |
|---|---|---|
| Output power | 100 Wlead | |
| Low-end response | 53 Hzlead | 55 Hz |
| Stereo pairingⓘ | true | true |
Durability
| Spec | JBL - Xtreme 4 | Sonos - Era 100 Portable (rumored) |
|---|---|---|
| Water resistanceⓘ | IP67lead | IP55 |
| Weight | 2150 g | 950 glead |
Battery
| Spec | JBL - Xtreme 4 | Sonos - Era 100 Portable (rumored) |
|---|---|---|
| Battery | 24 hlead | 12 h |
| USB out (powerbank) | truelead | false |