Sennheiser - Momentum True Wireless 4 vs Nothing - Ear (a) 2
Between the Momentum True Wireless 4 and Ear (a) 2, the Momentum True Wireless 4 comes out ahead in spatial audio, while the Ear (a) 2 wins on driver size and battery — with case. Overall, the Momentum True Wireless 4 scores 54.1 and the Ear (a) 2 scores 74.5 on our Mars Score.
Which should you buy?
The Ear (a) 2 is the clear pick on raw spec strength, leading by 20.4 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 Ear (a) 2 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 driver size, battery — with case, battery — buds, among others.
Both ship with comparable active noise cancellation, water resistance, multipoint, so those specs don't separate the two — focus on the differences below.
Bottom line: the Ear (a) 2 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 Nothing - Ear (a) 2 wins
- ▲Driver size — 57.14% more. 11 mm vs 7 mm.
- ▲Battery — with case — 40.00% more. 42 h vs 30 h.
- ▲Battery — buds — 33.33% more. 10 h vs 7.5 h.
- ▲Weight per bud — 1.40 g less. 4.8 vs 6.2.
Spec comparison
Design
| Spec | Sennheiser - Momentum True Wireless 4 | Nothing - Ear (a) 2 |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 6.2 g | 4.8 glead |
| Water resistanceⓘ | IP54 | IP54 |
Audio
| Spec | Sennheiser - Momentum True Wireless 4 | Nothing - Ear (a) 2 |
|---|---|---|
| Driver sizeⓘ | 7 mm | 11 mmlead |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | truelead | false |
Battery
| Spec | Sennheiser - Momentum True Wireless 4 | Nothing - Ear (a) 2 |
|---|---|---|
| Battery — buds | 7.5 h | 10 hlead |
| Battery — with case | 30 h | 42 hlead |
| Wireless case chargingⓘ | truelead | false |
Connectivity
| Spec | Sennheiser - Momentum True Wireless 4 | Nothing - Ear (a) 2 |
|---|---|---|
| Bluetoothⓘ | 5.4lead | 5.3 |
| 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 Ear (a) 2?+
Ear (a) 2 lasts 10h per charge vs 7.5h.
Do Momentum True Wireless 4 or Ear (a) 2 support multipoint?+
Both support multipoint pairing.
Which has ANC, Momentum True Wireless 4 or Ear (a) 2?+
Both have active noise cancellation.
Spec-level deep dives
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