Anker Soundcore Space Q45 vs Sennheiser Momentum True Wireless 3
The Verdict
Anker's Space Q45 delivers exceptional value as an over-ear headphone with 50-hour battery life and LDAC hi-res audio support, justifying its $149 price point. The 260g weight feels reasonable for this category, and the adaptive ANC with six microphones handles noise effectively. USB-C charging with a 5-minute quick charge for 4 hours is practical for daily use. Sennheiser's Momentum True Wireless 3 takes a different approach, prioritizing portability and premium build quality at $249. Seven-hour battery life per charge (28 hours total with case) suits mobile professionals, while the 7mm TrueResponse drivers and aptX Adaptive codec provide excellent sound clarity, particularly for calls and gaming. The Momentum's wireless charging case adds convenience that many prefer. Both feature IPX4 water resistance and multipoint pairing. Choose the Anker Space Q45 if you value marathon battery life, portability when folded, and hi-res audio support at a budget-friendly price. Select the Sennheiser Momentum True Wireless 3 if you prioritize true wireless freedom, premium sound personalization, and don't mind charging more frequently in exchange for a refined listening experience.
Who Should Buy
Buy the Anker Soundcore Space Q45 if…
- →Outstanding value — LDAC and ANC at a budget price
- →Remarkable 50-hour battery life with ANC enabled
- →Bluetooth multipoint and LDAC are rare features at this price
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
Category Scores
Pros & Cons
Anker Soundcore Space Q45
Pros
- Outstanding value — LDAC and ANC at a budget price
- Remarkable 50-hour battery life with ANC enabled
- Bluetooth multipoint and LDAC are rare features at this price
- IPX4 sweat resistance makes it gym-friendly
- Quick charge adds 4 hours in just 5 minutes
Cons
- ANC quality does not match Sony or Bose at higher price points
- Sound tuning is V-shaped and lacks midrange clarity
- Build quality and materials feel budget-grade
- App experience is less polished than Sony or Bose
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
Full Specifications
| Spec | Anker Soundcore Space Q45 | Sennheiser Momentum True Wireless 3 |
|---|---|---|
| Active Noise Cancelling | ||
| Type | over-ear | in-ear |
| Weight | 260 g | 5.8 g (each) |
| Battery | ||
| Battery life | 50 hrs (ANC on) | 7 hrs ANC on (28 hrs total with case) |
| Charging | USB-C, 5-min quick charge for 4 hrs playback | USB-C or Qi wireless |
| Features | LDAC hi-res wireless audio at $149, Adaptive ANC with 6 microphones, Adaptive EQ, Transparency mode, Multipoint Bluetooth pairing, Foldable design with carrying case included | Adaptive Noise Cancellation, Transparency mode, Customizable touch controls, Sennheiser Smart Control app with EQ, Sound personalization, aptX Adaptive for low-latency audio |
| Connectivity | ||
| Wired option | ||
| Codecs | LDAC, AAC, SBC | SBC, AAC, aptX, aptX Adaptive |
| Bluetooth | 5.3 | 5.2 |
| Multipoint | ||
| Water Resistance | IPX4 | IPX4 |
| Drivers | — | 7mm TrueResponse transducer |
Want to compare a third product?
Add another product for a 3-way comparison.
Related Comparisons
- Sennheiser Momentum True Wireless 3 vs Sony WH-XB910N Extra Bass
- Sennheiser Momentum True Wireless 3 vs Sony WH-CH720N
- Sennheiser Momentum True Wireless 3 vs Sony WH-1000XM5
- Sennheiser Momentum True Wireless 3 vs Sony WH-1000XM4
- Sennheiser Momentum True Wireless 3 vs Sony WH-1000XM3
- Sennheiser Momentum True Wireless 3 vs Sony WF-1000XM5
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 Anker products or all Sennheiser products. View full details for the Anker Soundcore Space Q45 or the Sennheiser Momentum True Wireless 3.

