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 | 0 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 60.7 and the MEGABOOM 4 scores 65 on our Mars Score.
Which should you buy?
The MEGABOOM 4 edges ahead on the Mars Score (60.7 vs 65), but the 4.3-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. The single most decisive one: Output power: 30 W vs 0 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: 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 - Roam 2 or Logitech - MEGABOOM 4?
Logitech - MEGABOOM 4 leads the current Mars Score by 4.3 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 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 |