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The short answer
Bose SoundLink Max Portable Speaker wins this comparison. Choose it if a longer advertised playtime matters. Bose SoundLink Max Portable Speaker advertises up to 20 hours, versus up to 17 hours for Marshall Willen II.
Bose
Stereo sound, a rope carry handle and phone charging make this a practical backyard speaker. It offers up to 20 hours of playtime, with 4.7 lb to carry.
Bettr Score
91.6/100
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
| Bose SoundLink Max Portable Speaker | Specification | Marshall Willen II |
|---|---|---|
$399 | Reference price | $129.99 ✓ Winner |
20 hours ✓ Winner | Advertised battery life | 17 hours |
4.7 lb | Weight | 12.7 oz ✓ Winner |
IP67 | Ingress protectionTie | IP67 |
4 | Durability tierTie | 4 |
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 |
No | 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 Bose SoundLink Max Portable Speaker if a longer advertised playtime matters. Bose SoundLink Max Portable Speaker advertises up to 20 hours, versus up to 17 hours for Marshall Willen II.
Choose Marshall Willen II if you want less weight in your bag. Marshall Willen II weighs 12.7 oz versus 4.7 lb — 3.9 lb less to carry.
Bose SoundLink Max Portable Speaker advertises up to 20 hours, versus up to 17 hours for Marshall Willen II. Marshall Willen II weighs 12.7 oz versus 4.7 lb — 3.9 lb less to carry. The recorded reference-price difference is $269.01.
Bose SoundLink Max Portable Speaker advertises up to 20 hours, versus up to 17 hours for Marshall Willen II.
Marshall Willen II weighs 12.7 oz versus 4.7 lb — 3.9 lb less to carry.
Marshall Willen II has the lower recorded reference price: $129.99 versus $399.00, a $269.01 difference.
Marshall Willen II 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.
$315.00
Item price · shipping unknown
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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
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