Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | JBL - Boombox 3 | Logitech - MEGABOOM 4 |
|---|---|---|
| Battery | 24 h | 20 h |
| Low-end response | 40 Hz | 60 Hz |
| Output power | 180 W |
Between the Boombox 3 and MEGABOOM 4, the Boombox 3 comes out ahead in battery / low-end response, while the MEGABOOM 4 wins on several specs. Overall, the Boombox 3 scores 87.5 and the MEGABOOM 4 scores 78 on our Mars Score.
Which should you buy?
The Boombox 3 is the clear pick on raw spec strength, leading by 9.5 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 battery / low-end response. The biggest gaps in its favor are battery, low-end response, output power. The single most decisive one: Battery — 20.00% more. 24 h vs 20 h.
The MEGABOOM 4 similarly does not 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 do not 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.
Which should you buy: JBL - Boombox 3 or Logitech - MEGABOOM 4?
JBL - Boombox 3 leads the current Mars Score by 9.5 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 JBL - Boombox 3 if…
JBL - Boombox 3 has the measurable edge on battery h, frequency low hz, output w.
Choose Logitech - MEGABOOM 4 if…
Logitech - MEGABOOM 4 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 JBL - Boombox 3 wins
- ▲Battery — 20.00% more. 24 h vs 20 h.
- ▲Low-end response — 20.00 Hz less. 40 vs 60.
- ▲Output power: 180 W vs W.
Why Logitech - MEGABOOM 4 wins
- No decisive advantages.
Spec comparison
Audio
| Spec | JBL - Boombox 3 | Logitech - MEGABOOM 4 |
|---|---|---|
| Output power | 180 Wlead | |
| Low-end response | 40 Hzlead | 60 Hz |
| Stereo pairingⓘ | true | true |
Durability
| Spec | JBL - Boombox 3 | Logitech - MEGABOOM 4 |
|---|---|---|
| Water resistanceⓘ | IP67 | IP67 |
| Weight | 6500 g | 1230 glead |
Battery
| Spec | JBL - Boombox 3 | Logitech - MEGABOOM 4 |
|---|---|---|
| Battery | 24 hlead | 20 h |
| USB out (powerbank) | truelead | false |