Bose - QuietComfort Ultra Earbuds 2 vs Anker - Liberty 5
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bose - QuietComfort Ultra Earbuds 2 | Anker - Liberty 5 |
|---|---|---|
| Battery — buds | 6 h | 12 h |
| Battery — with case | 24 h | 48 h |
| Driver size | 9.3 mm | 10 mm |
| Weight per bud | 6.2 g | 4.5 g |
| Spatial audio | true | false |
| Water resistance | IPX4 | IP55 |
Between the QuietComfort Ultra Earbuds 2 and Liberty 5, the QuietComfort Ultra Earbuds 2 comes out ahead in spatial audio, while the Liberty 5 wins on battery — buds / battery — with case. Overall, the QuietComfort Ultra Earbuds 2 scores 70.9 and the Liberty 5 scores 85.8 on our Mars Score.
Which should you buy?
The Liberty 5 is the clear pick on raw spec strength, leading by 14.9 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 QuietComfort Ultra Earbuds 2 if audio quality and feature breadth (ANC, codecs, multipoint) are the lead criteria for your purchase. The biggest gaps in its favor are spatial audio. The single most decisive one: Has Spatial audio.
Pick the Liberty 5 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are battery — buds, battery — with case, driver size, among others. The single most decisive one: Battery — buds — 100.00% more. 12 h vs 6 h.
Both ship with comparable active noise cancellation, multipoint, so those specs do not separate the two — focus on the differences below.
Bottom line: the Liberty 5 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Bose - QuietComfort Ultra Earbuds 2 or Anker - Liberty 5?
Anker - Liberty 5 leads the current Mars Score by 14.9 points.The more useful decision is the trade-off behind that result: compare driver size, battery — buds, weight per bud against the way you will actually use the product.
Choose Bose - QuietComfort Ultra Earbuds 2 if…
Bose - QuietComfort Ultra Earbuds 2 has the measurable edge on has spatial audio.
Choose Anker - Liberty 5 if…
Anker - Liberty 5 has the measurable edge on battery life buds h, battery life case h, driver size mm.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Bose - QuietComfort Ultra Earbuds 2 wins
- ▲Has Spatial audio.
Why Anker - Liberty 5 wins
- ▲Battery — buds — 100.00% more. 12 h vs 6 h.
- ▲Battery — with case — 100.00% more. 48 h vs 24 h.
- ▲Driver size — 7.53% more. 10 mm vs 9.3 mm.
- ▲Weight per bud — 1.70 g less. 4.5 vs 6.2.
- ▲Water resistance: IP55 (vs IPX4).
Spec comparison
Design
| Spec | Bose - QuietComfort Ultra Earbuds 2 | Anker - Liberty 5 |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 6.2 g | 4.5 glead |
| Water resistanceⓘ | IPX4 | IP55lead |
Audio
| Spec | Bose - QuietComfort Ultra Earbuds 2 | Anker - Liberty 5 |
|---|---|---|
| Driver sizeⓘ | 9.3 mm | 10 mmlead |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | truelead | false |
Battery
| Spec | Bose - QuietComfort Ultra Earbuds 2 | Anker - Liberty 5 |
|---|---|---|
| Battery — buds | 6 h | 12 hlead |
| Battery — with case | 24 h | 48 hlead |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Bose - QuietComfort Ultra Earbuds 2 | Anker - Liberty 5 |
|---|---|---|
| Bluetoothⓘ | 5.4 | 5.4 |
| Codecsⓘ | aptX Adaptive,AAC,SBC | LDAC,AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, QuietComfort Ultra Earbuds 2 or Liberty 5?+
Liberty 5 lasts 12h per charge vs 6h.
Do QuietComfort Ultra Earbuds 2 or Liberty 5 support multipoint?+
Both support multipoint pairing.
Which has ANC, QuietComfort Ultra Earbuds 2 or Liberty 5?+
Both models have active noise cancellation.