Between the Roam 2 and MEGABOOM 4, the Roam 2 comes out ahead in output power, while the MEGABOOM 4 wins on battery. Overall, the Roam 2 scores 46.6 and the MEGABOOM 4 scores 53.5 on our Mars Score.
Which should you buy?
The MEGABOOM 4 edges ahead on the Mars Score (46.6 vs 53.5), but the 6.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Roam 2 if you care most about output power. The biggest gaps in its favor are output power.
Pick the MEGABOOM 4 if you care most about battery. Its strongest claims are battery.
Both ship with comparable water resistance, low-end response, stereo pairing, so those specs don't separate the two — focus on the differences below.
Bottom line: the MEGABOOM 4 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Sonos - Roam 2 wins
- ▲Output power: 30 W vs 0 W.
Why Logitech - MEGABOOM 4 wins
- ▲Battery — 100.00% more. 20 h vs 10 h.
Spec comparison
Audio
| Spec | Sonos - Roam 2 | Logitech - MEGABOOM 4 |
|---|---|---|
| Output power | 30 Wlead | 0 W |
| Low-end response | 60 Hz | 60 Hz |
| Stereo pairing | true | true |
Durability
| Spec | Sonos - Roam 2 | Logitech - MEGABOOM 4 |
|---|---|---|
| Water resistanceⓘ | IP67 | IP67 |
| Weight | 430 glead | 1230 g |
Battery
| Spec | Sonos - Roam 2 | Logitech - MEGABOOM 4 |
|---|---|---|
| Battery | 10 h | 20 hlead |
| USB out (powerbank) | false | false |
Spec-level deep dives
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