Sony - LinkBuds Open vs Bose - QuietComfort Ultra Earbuds 2
Between the LinkBuds Open and QuietComfort Ultra Earbuds 2, the LinkBuds Open comes out ahead in battery — buds and driver size, while the QuietComfort Ultra Earbuds 2 wins on battery — with case and active noise cancellation. Overall, the LinkBuds Open scores 69.5 and the QuietComfort Ultra Earbuds 2 scores 58.4 on our Mars Score.
Which should you buy?
The LinkBuds Open is the clear pick on raw spec strength, leading by 11.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the LinkBuds Open if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are battery — buds, driver size, weight per bud.
Pick the QuietComfort Ultra Earbuds 2 if audio quality and feature breadth (ANC, codecs, multipoint) are the lead criteria for your purchase. Its strongest claims are battery — with case, active noise cancellation.
Both ship with comparable water resistance, spatial audio, multipoint, so those specs don't separate the two — focus on the differences below.
Bottom line: the LinkBuds Open is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Sony - LinkBuds Open wins
- ▲Battery — buds — 33.33% more. 8 h vs 6 h.
- ▲Driver size — 18.28% more. 11 mm vs 9.3 mm.
- ▲Weight per bud — 1.10 g less. 5.1 vs 6.2.
Why Bose - QuietComfort Ultra Earbuds 2 wins
- ▲Battery — with case — 9.09% more. 24 h vs 22 h.
- ▲Has Active noise cancellation.
Spec comparison
Design
| Spec | Sony - LinkBuds Open | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Form factor | openlead | in-ear |
| Weight per bud | 5.1 glead | 6.2 g |
| Water resistanceⓘ | IPX4 | IPX4 |
Audio
| Spec | Sony - LinkBuds Open | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Driver sizeⓘ | 11 mmlead | 9.3 mm |
| Active noise cancellationⓘ | false | truelead |
| Transparency mode | false | truelead |
| Spatial audioⓘ | true | true |
Battery
| Spec | Sony - LinkBuds Open | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Battery — buds | 8 hlead | 6 h |
| Battery — with case | 22 h | 24 hlead |
| Wireless case chargingⓘ | false | truelead |
Connectivity
| Spec | Sony - LinkBuds Open | Bose - QuietComfort Ultra Earbuds 2 |
|---|---|---|
| Bluetoothⓘ | 5.3 | 5.4lead |
| Codecs | AAC,SBC | aptX Adaptive,AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | false | truelead |
Frequently asked
Which has longer battery, LinkBuds Open or QuietComfort Ultra Earbuds 2?+
LinkBuds Open lasts 8h per charge vs 6h.
Do LinkBuds Open or QuietComfort Ultra Earbuds 2 support multipoint?+
Both support multipoint pairing.
Which has ANC, LinkBuds Open or QuietComfort Ultra Earbuds 2?+
QuietComfort Ultra Earbuds 2 has ANC; LinkBuds Open does not.
Spec-level deep dives
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