Ultimate Ears
Ultimate Ears EVERBOOM
Ultimate Ears EVERBOOM portable Bluetooth speaker with manufacturer-sourced battery, durability, weight, and connection specifications.
Bettr Than Score · Balanced
52.3/100
Portable SpeakersOpen comparison 
Protected anonymous voting
Compare portable-speakers
Choose products to compare
VS
Marshall
Marshall Kilburn III
Marshall Kilburn III portable Bluetooth speaker with manufacturer-sourced battery, durability, weight, and connection specifications.
Bettr Than Score · Balanced
47.7/100
Category-specific score
What matters most to you?
Value, battery, portability, durability, and useful connections.
Ultimate Ears EVERBOOM
52.3 / 100
Marshall Kilburn III
47.7 / 100
100% supported scoring weight · 11 shared fields.
How this score works
- Reference price: 20% · Ultimate Ears EVERBOOM has the favorable value
- Advertised battery life: 20% · Marshall Kilburn III has the favorable value
- Weight: 15% · Ultimate Ears EVERBOOM has the favorable value
- Durability tier: 20% · Ultimate Ears EVERBOOM has the favorable value
- Can charge another device: 10% · Marshall Kilburn III has the favorable value
- USB audio input: 5% · equal
- Auracast or compatible broadcast pairing: 5% · equal
- Floats in water: 5% · Ultimate Ears EVERBOOM has the favorable value
The score compares published hardware facts. It does not claim to measure sound quality, maximum loudness, tuning, or real-world battery life.
Side-by-side specifications
| Ultimate Ears EVERBOOM | Specification | Marshall Kilburn III |
|---|---|---|
$249.99 | Reference price | $379.99 |
20 hours | Advertised battery life | 50 hours |
960 g | Weight | 2800 g |
IP67 | Ingress protection | IP54 |
4 | Durability tier | 2 |
5.2 | Bluetooth version | 5.3 |
No | Can charge another device | Yes |
No | USB audio input | No |
No | Auracast or compatible broadcast pairing | No |
Yes | Floats in water | No |
No | Speakerphone | No |
Evidence-based guidance · Balanced model
Ultimate Ears EVERBOOM leads on the balanced portable speakers model
Based on 11 shared sourced fields and 100% balanced scoring coverage. The score compares published hardware facts. It does not claim to measure sound quality, maximum loudness, tuning, or real-world battery life.
Consider Ultimate Ears EVERBOOM for reference price ($249.99), weight (960 g), durability tier (4), floats in water (Yes).
Consider Marshall Kilburn III for advertised battery life (50 hours), can charge another device (Yes).
People's Pick
Which one would you choose?
Loading voting options…
Where to buy Ultimate Ears EVERBOOM
We may earn a commission when you buy through links marked “Affiliate link.” This does not change your price or our scores. How we earn
No verified retailer offers are available yet.
Prices and availability can change. Totals exclude tax. Lowest-listed labels compare only fresh, in-stock offers with known shipping in the same currency. Sponsored status never changes their order.
Where to buy Marshall Kilburn III
We may earn a commission when you buy through links marked “Affiliate link.” This does not change your price or our scores. How we earn
No verified retailer offers are available yet.
Prices and availability can change. Totals exclude tax. Lowest-listed labels compare only fresh, in-stock offers with known shipping in the same currency. Sponsored status never changes their order.