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The short answer
Sony ULT FIELD 3 wins this comparison. It can charge your phone from its own battery.
Sony
Press the ULT button for a bass boost, then carry it by the included shoulder strap. IP67 protection, phone charging and up to 24 hours of playtime suit days out.
Bettr Score
68.8/100
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
| Sony ULT FIELD 3 | Specification | Marshall Emberton III |
|---|---|---|
$209.99 | Reference price | $179.99 ✓ Winner |
24 hours | Advertised battery life | 32 hours ✓ Winner |
2.65 lb | Weight | 1.48 lb ✓ Winner |
IP67 | Ingress protectionTie | IP67 |
4 | Durability tierTie | 4 |
5.2 | Bluetooth versionPersonal preference | 5.3 |
Yes | Can charge another deviceNot enough data | Not stated / not applicable |
Not stated / not applicable | USB audio inputNot enough data | Not stated / not applicable |
Not stated / not applicable | Auracast or compatible broadcast pairingNot enough data | Not stated / not applicable |
Not stated / not applicable | Floats in waterNot enough data | Not stated / not applicable |
Yes | SpeakerphoneTie | Yes |
The buying advice
The verified differences do not give Sony ULT FIELD 3 a clear advantage in this pair. Check its current offer and any requirements outside this comparison before choosing it.
Choose Marshall Emberton III if a longer advertised playtime matters. Marshall Emberton III advertises up to 32 hours, versus up to 24 hours for Sony ULT FIELD 3.
Marshall Emberton III advertises up to 32 hours, versus up to 24 hours for Sony ULT FIELD 3.
Marshall Emberton III advertises up to 32 hours, versus up to 24 hours for Sony ULT FIELD 3.
Marshall Emberton III weighs 1.48 lb versus 2.65 lb — 1.17 lb less to carry.
Marshall Emberton III has the lower recorded reference price: $179.99 versus $209.99, a $30.00 difference.
People's Pick
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eBay — New
In stock · checked Oct 30, 2026
Price needs rechecking. Confirm at the retailer.
$100.00
Item price · shipping unknown
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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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