Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sonos - Roam 2 | Logitech - BOOM 4 |
|---|---|---|
| Battery | 10 h | 20 h |
| Low-end response | 60 Hz | 90 Hz |
| Output power | 30 W |
Between the Roam 2 and BOOM 4, the Roam 2 comes out ahead in low-end response / output power, while the BOOM 4 wins on battery. Overall, the Roam 2 scores 66 and the BOOM 4 scores 66.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (66 vs 66.9). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Roam 2 if you care most about low-end response / output power. The biggest gaps in its favor are low-end response, output power. The single most decisive one: Low-end response — 30.00 Hz less. 60 vs 90.
Pick the BOOM 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, 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 - BOOM 4?
Logitech - BOOM 4 leads the current Mars Score by 0.9 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 frequency low hz, output w.
Choose Logitech - BOOM 4 if…
Logitech - BOOM 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
- ▲Low-end response — 30.00 Hz less. 60 vs 90.
- ▲Output power: 30 W vs W.
Why Logitech - BOOM 4 wins
- ▲Battery — 100.00% more. 20 h vs 10 h.
Spec comparison
Audio
| Spec | Sonos - Roam 2 | Logitech - BOOM 4 |
|---|---|---|
| Output power | 30 Wlead | |
| Low-end response | 60 Hzlead | 90 Hz |
| Stereo pairingⓘ | true | true |
Durability
| Spec | Sonos - Roam 2 | Logitech - BOOM 4 |
|---|---|---|
| Water resistanceⓘ | IP67 | IP67 |
| Weight | 430 glead | 646 g |
Battery
| Spec | Sonos - Roam 2 | Logitech - BOOM 4 |
|---|---|---|
| Battery | 10 h | 20 hlead |
| USB out (powerbank) | false | false |