Bose SoundLink Flex Portable Speaker (2nd Gen) vs Marshall Willen II

The short answer

Bose SoundLink Flex Portable Speaker (2nd Gen) wins this comparison. Its score is driven by independent sound quality tests. It supports hands-free calls.

Bose

Bose SoundLink Flex Portable Speaker (2nd Gen)

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

Marshall Willen II

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

Side-by-side specifications

Specifications for Bose SoundLink Flex Portable Speaker (2nd Gen) and Marshall Willen II
Bose SoundLink Flex Portable Speaker (2nd Gen)	Specification	Marshall Willen II
$149	Reference price	$129.99 ✓ Winner
12 hours	Advertised battery life	17 hours ✓ Winner
1.3 lb	Weight	12.7 oz ✓ Winner
IP67	Ingress protectionTie	IP67
4	Durability tierTie	4
5.3	Bluetooth versionTie	5.3
No	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
Yes	Floats in waterNot enough data	Not stated / not applicable
Yes	SpeakerphoneTie	Yes

The buying advice

What the verified differences mean

Who should choose Bose SoundLink Flex Portable Speaker (2nd Gen)?

The verified differences do not give Bose SoundLink Flex Portable Speaker (2nd Gen) a clear advantage in this pair. Check its current offer and any requirements outside this comparison before choosing it.

Who should choose Marshall Willen II?

Choose Marshall Willen II if a longer advertised playtime matters. Marshall Willen II advertises up to 17 hours, versus up to 12 hours for Bose SoundLink Flex Portable Speaker (2nd Gen).

The main tradeoff

Marshall Willen II advertises up to 17 hours, versus up to 12 hours for Bose SoundLink Flex Portable Speaker (2nd Gen).

Sources and score details

Bose SoundLink Flex Portable Speaker (2nd Gen): sound quality carries 60% of its model; 7.5/10 contributes 51.6 of its 82.0 points.
Marshall Willen II: recorded reference price carries 20% of its model; its score also reflects the other verified specifications shown below.

Longer advertised playtime
Marshall Willen II advertises up to 17 hours, versus up to 12 hours for Bose SoundLink Flex Portable Speaker (2nd Gen).
Bose SoundLink Flex Portable Speaker (2nd Gen) source · 2026-09-10 Marshall Willen II source · 2026-10-18
Less to carry
Marshall Willen II weighs 12.7 oz versus 1.3 lb — 8.11 oz less to carry.
Bose SoundLink Flex Portable Speaker (2nd Gen) source · 2026-09-10 Marshall Willen II source · 2026-10-18
Lower reference price
Marshall Willen II has the lower recorded reference price: $129.99 versus $149.00, a $19.01 difference.
Bose SoundLink Flex Portable Speaker (2nd Gen) source · 2026-09-10 Marshall Willen II source · 2026-10-18

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Where to buy Bose SoundLink Flex Portable Speaker (2nd Gen)

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In stock · checked Oct 30, 2026

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$94.99

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Where to buy Marshall Willen II