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The short answer
Bose SoundLink Max Portable Speaker wins this comparison. Its score is driven by independent sound quality tests. It can charge your phone from its own battery.
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
Built for long weekends, with 30+ hours of playtime, 360° sound and phone charging. Bass and treble controls let you adjust the sound; expect 3.97 lb to carry.
Bettr Score
66.5/100
| Bose SoundLink Max Portable Speaker | Specification | Marshall Middleton II |
|---|---|---|
$399 | Reference price | $329.99 ✓ Winner |
20 hours | Advertised battery life | 30 hours ✓ Winner |
4.7 lb | Weight | 3.97 lb ✓ Winner |
IP67 | Ingress protectionTie | IP67 |
4 | Durability tierTie | 4 |
5.3 | Bluetooth versionTie | 5.3 |
Yes | Can charge another deviceTie | Yes |
No | USB audio inputNot enough data | Not stated / not applicable |
No | Auracast or compatible broadcast pairing | Yes ✓ Winner |
No | Floats in waterNot enough data | Not stated / not applicable |
No | Speakerphone | Yes ✓ Winner |
The buying advice
The verified differences do not give Bose SoundLink Max Portable Speaker a clear advantage in this pair. Check its current offer and any requirements outside this comparison before choosing it.
Choose Marshall Middleton II if a longer advertised playtime matters. Marshall Middleton II advertises up to 30 hours, versus up to 20 hours for Bose SoundLink Max Portable Speaker.
Marshall Middleton II advertises up to 30 hours, versus up to 20 hours for Bose SoundLink Max Portable Speaker.
Marshall Middleton II advertises up to 30 hours, versus up to 20 hours for Bose SoundLink Max Portable Speaker.
Marshall Middleton II weighs 3.97 lb versus 4.7 lb — 11.64 oz less to carry.
Marshall Middleton II has the lower recorded reference price: $329.99 versus $399.00, a $69.01 difference.
Marshall Middleton 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.
$299.00
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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