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The short answer
Marshall Willen II wins this comparison. Choose it if a lower purchase price is your priority. Marshall Willen II has the lower recorded reference price: $129.99 versus $349.99, a $220.00 difference.
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
Two bass-boost settings let you dial up the low end for parties. A shoulder strap helps carry its 7.28 lb body; IP67 protection and up to 25 hours of playtime suit outdoor listening.
Bettr Score
61/100
| Marshall Willen II | Specification | Sony ULT FIELD 5 |
|---|---|---|
$129.99 ✓ Winner | Reference price | $349.99 |
17 hours | Advertised battery life | 25 hours ✓ Winner |
12.7 oz ✓ Winner | Weight | 7.28 lb |
IP67 | Ingress protectionTie | IP67 |
4 | Durability tierTie | 4 |
5.3 | Bluetooth versionTie | 5.3 |
Not stated / not applicable | Can charge another deviceNot enough data | Yes |
Not stated / not applicable | USB audio inputNot enough data | No |
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 | SpeakerphoneNot enough data | Not stated / not applicable |
The buying advice
Choose Marshall Willen II if you want less weight in your bag. Marshall Willen II weighs 12.7 oz versus 7.28 lb — 6.48 lb less to carry.
Choose Sony ULT FIELD 5 if a longer advertised playtime matters. Sony ULT FIELD 5 advertises up to 25 hours, versus up to 17 hours for Marshall Willen II.
Marshall Willen II weighs 12.7 oz versus 7.28 lb — 6.48 lb less to carry. Sony ULT FIELD 5 advertises up to 25 hours, versus up to 17 hours for Marshall Willen II. The recorded reference-price difference is $220.00.
Marshall Willen II weighs 12.7 oz versus 7.28 lb — 6.48 lb less to carry.
Sony ULT FIELD 5 advertises up to 25 hours, versus up to 17 hours for Marshall Willen II.
Marshall Willen II has the lower recorded reference price: $129.99 versus $349.99, a $220.00 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
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.
$225.00
Item + shipping · before tax
$225.00 + $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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