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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
Sony
Press the ULT button for a bass boost, then carry it by the included shoulder strap. IP67 protection, phone charging and up to 24 hours of playtime suit days out.
Bettr Score
68.8/100
| Bose SoundLink Max Portable Speaker | Specification | Sony ULT FIELD 3 |
|---|---|---|
$399 | Reference price | $209.99 ✓ Winner |
20 hours | Advertised battery life | 24 hours ✓ Winner |
4.7 lb | Weight | 2.65 lb ✓ Winner |
IP67 | Ingress protectionTie | IP67 |
4 | Durability tierTie | 4 |
5.3 | Bluetooth versionPersonal preference | 5.2 |
Yes | Can charge another deviceTie | Yes |
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
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 Sony ULT FIELD 3 if a longer advertised playtime matters. Sony ULT FIELD 3 advertises up to 24 hours, versus up to 20 hours for Bose SoundLink Max Portable Speaker.
Sony ULT FIELD 3 advertises up to 24 hours, versus up to 20 hours for Bose SoundLink Max Portable Speaker.
Sony ULT FIELD 3 advertises up to 24 hours, versus up to 20 hours for Bose SoundLink Max Portable Speaker.
Sony ULT FIELD 3 weighs 2.65 lb versus 4.7 lb — 2.05 lb less to carry.
Sony ULT FIELD 3 has the lower recorded reference price: $209.99 versus $399.00, a $189.01 difference.
Sony ULT FIELD 3 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.
$100.00
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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