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The short answer
Bose SoundLink Flex Portable Speaker (2nd Gen) wins this comparison. Choose it if you want less weight in your bag. Bose SoundLink Flex Portable Speaker (2nd Gen) weighs 1.3 lb versus 3.97 lb — 2.67 lb less to carry. Its recorded reference price is $180.99 lower.
Bose
A compact speaker that floats and adjusts its sound when you change its position. IP67 protection and a built-in microphone suit outdoor listening and hands-free calls.
Bettr Score
82/100
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 Flex Portable Speaker (2nd Gen) | Specification | Marshall Middleton II |
|---|---|---|
$149 ✓ Winner | Reference price | $329.99 |
12 hours | Advertised battery life | 30 hours ✓ Winner |
1.3 lb ✓ Winner | Weight | 3.97 lb |
IP67 | Ingress protectionTie | IP67 |
4 | Durability tierTie | 4 |
5.3 | Bluetooth versionTie | 5.3 |
No | Can charge another device | Yes ✓ Winner |
No | USB audio inputNot enough data | Not stated / not applicable |
No | Auracast or compatible broadcast pairing | Yes ✓ Winner |
Yes | Floats in waterNot enough data | Not stated / not applicable |
Yes | SpeakerphoneTie | Yes |
The buying advice
Choose Bose SoundLink Flex Portable Speaker (2nd Gen) if you want less weight in your bag. Bose SoundLink Flex Portable Speaker (2nd Gen) weighs 1.3 lb versus 3.97 lb — 2.67 lb less to carry.
Choose Marshall Middleton II if a longer advertised playtime matters. Marshall Middleton II advertises up to 30 hours, versus up to 12 hours for Bose SoundLink Flex Portable Speaker (2nd Gen).
Bose SoundLink Flex Portable Speaker (2nd Gen) weighs 1.3 lb versus 3.97 lb — 2.67 lb less to carry. Marshall Middleton II advertises up to 30 hours, versus up to 12 hours for Bose SoundLink Flex Portable Speaker (2nd Gen). The recorded reference-price difference is $180.99.
Bose SoundLink Flex Portable Speaker (2nd Gen) weighs 1.3 lb versus 3.97 lb — 2.67 lb less to carry.
Marshall Middleton II advertises up to 30 hours, versus up to 12 hours for Bose SoundLink Flex Portable Speaker (2nd Gen).
Marshall Middleton II can charge another device from its battery; the other speaker’s verified specification says it cannot. Charging a phone uses some of the speaker’s battery.
Bose SoundLink Flex Portable Speaker (2nd Gen) has the lower recorded reference price: $149.00 versus $329.99, a $180.99 difference.
People's Pick
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eBay — New
In stock · checked Oct 30, 2026
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$94.99
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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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