Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sonos - Roam 2 | Logitech - MEGABOOM 4 |
|---|---|---|
| Battery | 10 h | 20 h |
| Output power | 30 W |
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 66 and the MEGABOOM 4 scores 78 on our Mars Score.
Which should you buy?
The MEGABOOM 4 is the clear pick on raw spec strength, leading by 12.0 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 Roam 2 if you care most about output power. The biggest gaps in its favor are output power. The single most decisive one: Output power: 30 W vs W.
Pick the MEGABOOM 4 if you care most about battery. Its strongest claims are battery. The single most decisive one: Battery — 100.00% more. 20 h vs 10 h.
Both ship with comparable water resistance, low-end response, stereo pairing, so those specs do not 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.
Which should you buy: Sonos - Roam 2 or Logitech - MEGABOOM 4?
Logitech - MEGABOOM 4 leads the current Mars Score by 12.0 points.The more useful decision is the trade-off behind that result: compare output power, battery against the way you will actually use the product.
Choose Sonos - Roam 2 if…
Sonos - Roam 2 has the measurable edge on output w.
Choose Logitech - MEGABOOM 4 if…
Logitech - MEGABOOM 4 has the measurable edge on battery h.
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 - Roam 2 wins
- ▲Output power: 30 W vs 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 | |
| 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 |