Quick takeaway
Ultimate Ears Megaboom 3 leads this matchup 0 to 1 on measured spec rows and by 33 points overall.
Marshall Emberton II vs Ultimate Ears Megaboom 3
Choose Marshall Emberton II if...
Pick Marshall Emberton II if battery life are the reasons you are shopping in this category.
Choose Ultimate Ears Megaboom 3 if...
Pick Ultimate Ears Megaboom 3 if its current price, brand, or design fits your shortlist better than Marshall Emberton II.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Battery and power
| Spec | Marshall Emberton II | Ultimate Ears Megaboom 3 |
|---|---|---|
| Battery Life | Up to 30 hours ✓ | Up to 10+ hours typical |
Connectivity
| Spec | Marshall Emberton II | Ultimate Ears Megaboom 3 |
|---|---|---|
| Connectivity | Bluetooth 5.1 | Bluetooth |
General
| Spec | Marshall Emberton II | Ultimate Ears Megaboom 3 |
|---|---|---|
| Brand | Marshall | Ultimate Ears |
| Category | Speaker | Speaker |
| Portable | Yes | Yes |
| Type | Portable Bluetooth speaker | Portable Bluetooth speaker |
The verdict
Based on 6 spec comparisons plus user ratings, the Ultimate Ears Megaboom 3 comes out ahead with a stronger overall score.
As an Amazon Associate, VSFinder earns from qualifying purchases.
Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the Marshall Emberton II vs Ultimate Ears Megaboom 3 score measuring?
VSFinder compares 3 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $129.99 for Marshall Emberton II and $129.99 for Ultimate Ears Megaboom 3.