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Sony - LinkBuds Open vs Bose - QuietComfort Ultra Earbuds 2

Last updated · How Mars Score works
LinkBuds OpenSONYRENDER
Probe A
Sony
LinkBuds Open
69.5/ 100B
Audio68· 45%
Battery71· 30%
Connectivity· 15%
Design· 10%
QuietComfort Ultra Earbuds 2BOSERENDER
Probe B
Bose
QuietComfort Ultra Earbuds 2
58.4/ 100C
Audio58· 45%
Battery59· 30%
Connectivity· 15%
Design· 10%
Quick verdict

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.

Buying advice

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.
Full readout

Spec comparison

Design

SpecSony - LinkBuds OpenBose - QuietComfort Ultra Earbuds 2
Form factoropenleadin-ear
Weight per bud5.1 glead6.2 g
Water resistanceIPX4IPX4

Audio

SpecSony - LinkBuds OpenBose - QuietComfort Ultra Earbuds 2
Driver size11 mmlead9.3 mm
Active noise cancellationfalsetruelead
Transparency modefalsetruelead
Spatial audiotruetrue

Battery

SpecSony - LinkBuds OpenBose - QuietComfort Ultra Earbuds 2
Battery — buds8 hlead6 h
Battery — with case22 h24 hlead
Wireless case chargingfalsetruelead

Connectivity

SpecSony - LinkBuds OpenBose - QuietComfort Ultra Earbuds 2
Bluetooth5.35.4lead
CodecsAAC,SBCaptX Adaptive,AAC,SBC
Multipointtruetrue
In-ear detectionfalsetruelead
Reader questions

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.

Drill down

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