Sennheiser Momentum True Wireless 3 vs Anker Soundcore Space A40
The Verdict
Sennheiser's Momentum True Wireless 3 targets premium listeners willing to invest in superior sound quality and build refinement, featuring aptX Adaptive codec support for low-latency audio and Sennheiser's renowned acoustic tuning through their Smart Control app. Anker's Soundcore Space A40 delivers exceptional value at a third of the price, matching core features like multipoint Bluetooth, wireless charging, and ANC while actually providing longer battery life (10 hours versus 7 hours with ANC enabled) and LDAC codec support. Sound signature differs meaningfully: Sennheiser emphasizes balanced, detailed mids with tasteful EQ flexibility, while Anker leans toward bass-forward presentation optimized for casual listening. Build quality slightly favors Sennheiser's premium materials and lighter touch controls. However, for most users seeking capable noise cancellation and all-day battery without premium pricing, Soundcore Space A40 represents superior value. Reserve Momentum for discerning listeners prioritizing acoustic excellence and premium aesthetics.
Who Should Buy
Buy the Sennheiser Momentum True Wireless 3 if…
- →Audiophile-grade sound quality — best-in-class for true wireless
- →aptX Adaptive provides high-quality, low-latency audio on Android
- →Effective ANC that adapts to your environment
Buy the Anker Soundcore Space A40 if…
- →Incredible value at $79 with ANC, LDAC, multipoint, and wireless charging
- →50-hour total battery with case is best-in-class for true wireless
- →LDAC codec supports high-resolution audio streaming
Category Scores
Pros & Cons
Sennheiser Momentum True Wireless 3
Pros
- Audiophile-grade sound quality — best-in-class for true wireless
- aptX Adaptive provides high-quality, low-latency audio on Android
- Effective ANC that adapts to your environment
- 28 hours total battery with wireless charging case
- Premium fabric-wrapped case and refined design
Cons
- Touch controls are fiddly and can misfire
- IPX4 is adequate but not rugged for intense workouts
- Ear tips may need upgrading for the best seal
- Multipoint can be slow to switch between devices
Anker Soundcore Space A40
Pros
- Incredible value at $79 with ANC, LDAC, multipoint, and wireless charging
- 50-hour total battery with case is best-in-class for true wireless
- LDAC codec supports high-resolution audio streaming
- HearID creates personalized sound profiles based on hearing test
- Compact and lightweight for a secure, comfortable fit
Cons
- ANC is decent but not competitive with Sony or Bose flagships
- Call quality can be inconsistent in noisy environments
- IPX4 rating is basic splash resistance only
- Touch controls are sometimes unresponsive
- Bass can be slightly muddy at default EQ settings
Full Specifications
| Spec | Sennheiser Momentum True Wireless 3 | Anker Soundcore Space A40 |
|---|---|---|
| Active Noise Cancelling | ||
| Type | in-ear | in-ear |
| Weight | 5.8 g (each) | 4.9 g (each) |
| Battery | ||
| Battery life | 7 hrs ANC on (28 hrs total with case) | 10 hrs (ANC on), 50 hrs total with case |
| Charging | USB-C or Qi wireless | USB-C, Qi wireless |
| Drivers | 7mm TrueResponse transducer | 10mm dynamic driver |
| Features | Adaptive Noise Cancellation, Transparency mode, Customizable touch controls, Sennheiser Smart Control app with EQ, Sound personalization, aptX Adaptive for low-latency audio | Adaptive ANC with multiple levels, Transparency Mode, HearID personalized sound profiles, Multipoint Bluetooth, Wireless charging case, Soundcore app with EQ customization |
| Connectivity | ||
| Wired option | ||
| Codecs | SBC, AAC, aptX, aptX Adaptive | AAC, SBC, LDAC |
| Bluetooth | 5.2 | 5.2 |
| Multipoint | ||
| Water Resistance | IPX4 | IPX4 |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in headphones, see all Sennheiser products or all Anker products. View full details for the Sennheiser Momentum True Wireless 3 or the Anker Soundcore Space A40.

