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The short answer
Sony ULT FIELD 3 wins this comparison. Choose it if a longer advertised playtime matters. Sony ULT FIELD 3 advertises up to 24 hours, versus up to 17 hours for Marshall Willen II.
Marshall
A 12.7 oz speaker with a strap for attaching to your bag. IP67 protection, 17+ hours of playtime and hands-free calls make it a practical option for travelling light.
Bettr Score
65/100
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 Willen II | Specification | Sony ULT FIELD 3 |
|---|---|---|
$129.99 ✓ Winner | Reference price | $209.99 |
17 hours | Advertised battery life | 24 hours ✓ Winner |
12.7 oz ✓ Winner | Weight | 2.65 lb |
IP67 | Ingress protectionTie | IP67 |
4 | Durability tierTie | 4 |
5.3 | Bluetooth versionPersonal preference | 5.2 |
Not stated / not applicable | Can charge another deviceNot enough data | Yes |
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
Choose Marshall Willen II if you want less weight in your bag. Marshall Willen II weighs 12.7 oz versus 2.65 lb — 1.86 lb less to carry.
Choose Sony ULT FIELD 3 if a longer advertised playtime matters. Sony ULT FIELD 3 advertises up to 24 hours, versus up to 17 hours for Marshall Willen II.
Marshall Willen II weighs 12.7 oz versus 2.65 lb — 1.86 lb less to carry. Sony ULT FIELD 3 advertises up to 24 hours, versus up to 17 hours for Marshall Willen II. The recorded reference-price difference is $80.00.
Marshall Willen II weighs 12.7 oz versus 2.65 lb — 1.86 lb less to carry.
Sony ULT FIELD 3 advertises up to 24 hours, versus up to 17 hours for Marshall Willen II.
Marshall Willen II has the lower recorded reference price: $129.99 versus $209.99, a $80.00 difference.
People's Pick
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eBay — New
In stock · checked Oct 30, 2026
Price needs rechecking. Confirm at the retailer.
$79.99
Item price · shipping unknown
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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
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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