Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Anker - Boom 2 Plus | Logitech - BOOM 4 |
|---|---|---|
| Low-end response | 45 Hz | 90 Hz |
| Output power | 140 W | 0 W |
Between the Boom 2 Plus and BOOM 4, the Boom 2 Plus comes out ahead in low-end response / output power, while the BOOM 4 wins on several specs. Overall, the Boom 2 Plus scores 80.3 and the BOOM 4 scores 65 on our Mars Score.
Which should you buy?
The Boom 2 Plus is the clear pick on raw spec strength, leading by 15.3 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 Boom 2 Plus 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 — 45.00 Hz less. 45 vs 90.
The BOOM 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 battery, water resistance, stereo pairing, so those specs do not separate the two — focus on the differences below.
Bottom line: the Boom 2 Plus 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: Anker - Boom 2 Plus or Logitech - BOOM 4?
Anker - Boom 2 Plus leads the current Mars Score by 15.3 points.The more useful decision is the trade-off behind that result: compare output power against the way you will actually use the product.
Choose Anker - Boom 2 Plus if…
Anker - Boom 2 Plus has the measurable edge on frequency low hz, output w.
Choose Logitech - BOOM 4 if…
Logitech - BOOM 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 Anker - Boom 2 Plus wins
- ▲Low-end response — 45.00 Hz less. 45 vs 90.
- ▲Output power: 140 W vs 0 W.
Why Logitech - BOOM 4 wins
- No decisive advantages.
Spec comparison
Audio
| Spec | Anker - Boom 2 Plus | Logitech - BOOM 4 |
|---|---|---|
| Output power | 140 Wlead | 0 W |
| Low-end response | 45 Hzlead | 90 Hz |
| Stereo pairingⓘ | true | true |
Durability
| Spec | Anker - Boom 2 Plus | Logitech - BOOM 4 |
|---|---|---|
| Water resistanceⓘ | IP67 | IP67 |
| Weight | 2700 g | 646 glead |
Battery
| Spec | Anker - Boom 2 Plus | Logitech - BOOM 4 |
|---|---|---|
| Battery | 20 h | 20 h |
| USB out (powerbank) | truelead | false |