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The short answer
Marshall Emberton III wins this comparison. Choose it if a lower purchase price is your priority. Marshall Emberton III has the lower recorded reference price: $179.99 versus $379.99, a $200.00 difference.
Marshall
Long weekends between charges are its main draw: 50+ hours of playtime, plus phone charging. Bass and treble knobs give hands-on control, though the 6.17 lb body is substantial.
Bettr Score
58.8/100
Marshall
360° sound and 32+ hours of playtime in a 1.48 lb speaker. IP67 protection makes it useful for beach bags and weekend trips, with a microphone for hands-free calls.
Bettr Score
64.1/100
| Marshall Kilburn III | Specification | Marshall Emberton III |
|---|---|---|
$379.99 | Reference price | $179.99 ✓ Winner |
50 hours ✓ Winner | Advertised battery life | 32 hours |
6.17 lb | Weight | 1.48 lb ✓ Winner |
IP54 | Ingress protectionPersonal preference | IP67 |
2 | Durability tier | 4 ✓ Winner |
5.3 | Bluetooth versionTie | 5.3 |
Yes | Can charge another deviceNot enough data | Not stated / not applicable |
No | USB audio inputNot enough data | Not stated / not applicable |
Yes | Auracast or compatible broadcast pairingNot enough data | Not stated / not applicable |
No | Floats in waterNot enough data | Not stated / not applicable |
No | Speakerphone | Yes ✓ Winner |
The buying advice
Choose Marshall Kilburn III if a longer advertised playtime matters. Marshall Kilburn III advertises up to 50 hours, versus up to 32 hours for Marshall Emberton III.
Choose Marshall Emberton III if you want less weight in your bag. Marshall Emberton III weighs 1.48 lb versus 6.17 lb — 4.7 lb less to carry.
Marshall Kilburn III advertises up to 50 hours, versus up to 32 hours for Marshall Emberton III. Marshall Emberton III weighs 1.48 lb versus 6.17 lb — 4.7 lb less to carry. The recorded reference-price difference is $200.00.
Marshall Kilburn III advertises up to 50 hours, versus up to 32 hours for Marshall Emberton III.
Marshall Emberton III weighs 1.48 lb versus 6.17 lb — 4.7 lb less to carry.
Marshall Emberton III has the lower recorded reference price: $179.99 versus $379.99, a $200.00 difference.
Marshall Emberton III supports speakerphone calls; the other speaker’s verified specification says it does not.
People's Pick
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eBay — New
In stock · checked Oct 30, 2026
Price needs rechecking. Confirm at the retailer.
$349.99
Item + shipping · before tax
$349.99 + $0.00 shipping
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
eBay — New
In stock · checked Oct 30, 2026
Price needs rechecking. Confirm at the retailer.
$139.99
Item + shipping · before tax
$139.99 + $0.00 shipping
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
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