Sennheiser - Momentum True Wireless 4 vs Anker - Liberty 5
Between the Momentum True Wireless 4 and Liberty 5, the Momentum True Wireless 4 comes out ahead in spatial audio, while the Liberty 5 wins on battery — buds / battery — with case. Overall, the Momentum True Wireless 4 scores 54.1 and the Liberty 5 scores 76.1 on our Mars Score.
Which should you buy?
The Liberty 5 is the clear pick on raw spec strength, leading by 22.0 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 Momentum True Wireless 4 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.
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.
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.
Why Sennheiser - Momentum True Wireless 4 wins
- ▲Has Spatial audio.
Why Anker - Liberty 5 wins
- ▲Battery — buds — 60.00% more. 12 h vs 7.5 h.
- ▲Battery — with case — 60.00% more. 48 h vs 30 h.
- ▲Driver size — 42.86% more. 10 mm vs 7 mm.
- ▲Weight per bud — 1.70 g less. 4.5 vs 6.2.
- ▲Water resistance: IP55 (vs IP54).
Spec comparison
Design
| Spec | Sennheiser - Momentum True Wireless 4 | Anker - Liberty 5 |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 6.2 g | 4.5 glead |
| Water resistanceⓘ | IP54 | IP55lead |
Audio
| Spec | Sennheiser - Momentum True Wireless 4 | Anker - Liberty 5 |
|---|---|---|
| Driver sizeⓘ | 7 mm | 10 mmlead |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | truelead | false |
Battery
| Spec | Sennheiser - Momentum True Wireless 4 | Anker - Liberty 5 |
|---|---|---|
| Battery — buds | 7.5 h | 12 hlead |
| Battery — with case | 30 h | 48 hlead |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Sennheiser - Momentum True Wireless 4 | Anker - Liberty 5 |
|---|---|---|
| Bluetoothⓘ | 5.4 | 5.4 |
| Codecs | aptX Lossless,LC3,AAC,SBC | LDAC,AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, Momentum True Wireless 4 or Liberty 5?+
Liberty 5 lasts 12h per charge vs 7.5h.
Do Momentum True Wireless 4 or Liberty 5 support multipoint?+
Both support multipoint pairing.
Which has ANC, Momentum True Wireless 4 or Liberty 5?+
Both models have active noise cancellation.
Spec-level deep dives
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