Between the Boombox 3 and Roam 2, the Boombox 3 comes out ahead in output power and battery, while the Roam 2 wins on several specs. Overall, the Boombox 3 scores 86.4 and the Roam 2 scores 46.6 on our Mars Score.
Which should you buy?
The Boombox 3 is the clear pick on raw spec strength, leading by 39.8 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 Boombox 3 if you care most about output power and battery. The biggest gaps in its favor are output power, battery, low-end response.
The Roam 2 similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable water resistance, stereo pairing, so those specs don't separate the two — focus on the differences below.
Bottom line: the Boombox 3 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why JBL - Boombox 3 wins
- ▲Output power — 500.00% more. 180 W vs 30 W.
- ▲Battery — 140.00% more. 24 h vs 10 h.
- ▲Low-end response — 20.00 Hz less. 40 vs 60.
Why Sonos - Roam 2 wins
- No decisive advantages.
Spec comparison
Audio
| Spec | JBL - Boombox 3 | Sonos - Roam 2 |
|---|---|---|
| Output power | 180 Wlead | 30 W |
| Low-end response | 40 Hzlead | 60 Hz |
| Stereo pairing | true | true |
Durability
| Spec | JBL - Boombox 3 | Sonos - Roam 2 |
|---|---|---|
| Water resistanceⓘ | IP67 | IP67 |
| Weight | 6500 g | 430 glead |
Battery
| Spec | JBL - Boombox 3 | Sonos - Roam 2 |
|---|---|---|
| Battery | 24 hlead | 10 h |
| USB out (powerbank) | truelead | false |
Frequently asked
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.