Between the Emberton III and Boom 2 Plus, the Emberton III comes out ahead in battery, while the Boom 2 Plus wins on output power and low-end response. Overall, the Emberton III scores 66.8 and the Boom 2 Plus scores 76.4 on our Mars Score.
Which should you buy?
The Boom 2 Plus is the clear pick on raw spec strength, leading by 9.6 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 Emberton III if you care most about battery. The biggest gaps in its favor are battery.
Pick the Boom 2 Plus if you care most about output power and low-end response. Its strongest claims are output power, low-end response.
Both ship with comparable water resistance, stereo pairing, so those specs don't 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.
Why Marshall - Emberton III wins
- ▲Battery — 60.00% more. 32 h vs 20 h.
Why Anker - Boom 2 Plus wins
- ▲Output power — 600.00% more. 140 W vs 20 W.
- ▲Low-end response — 15.00 Hz less. 45 vs 60.
Spec comparison
Audio
| Spec | Marshall - Emberton III | Anker - Boom 2 Plus |
|---|---|---|
| Output power | 20 W | 140 Wlead |
| Low-end response | 60 Hz | 45 Hzlead |
| Stereo pairing | true | true |
Durability
| Spec | Marshall - Emberton III | Anker - Boom 2 Plus |
|---|---|---|
| Water resistanceⓘ | IP67 | IP67 |
| Weight | 700 glead | 2700 g |
Battery
| Spec | Marshall - Emberton III | Anker - Boom 2 Plus |
|---|---|---|
| Battery | 32 hlead | 20 h |
| USB out (powerbank) | false | truelead |
Frequently asked
Spec-level deep dives
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