viaim OpenNote
viaim
72 Overall Score
vs
Sennheiser MOMENTUM True Wireless 509181
Sennheiser
84 Overall Score
What Buyers Say
viaim OpenNote
71 out of 100 low confidence 7 reviews
The product receives mostly positive feedback for its premium packaging, comfortable open-ear design, and useful AI recording and transcription features. However, a significant verified negative review highlights severe reliability issues, including spontaneous recording stops, garbled audio, poor transcriptions, and privacy concerns. The mixed sentiment is driven by a small sample size, with the negative review carrying substantial weight due to its detailed complaints.
Pros
- Premium packaging
- Comfortable open-ear design
- Accurate AI transcription and summaries
- Good sound quality
- Easy setup and pairing
Cons
- Unreliable recording stops without notification
- Garbled audio in recordings
- Poor transcription accuracy
- Spontaneous earpiece shutdown during calls
- Incorrect file timestamps and titles
Build quality 5
Recording reliability 2
Transcription accuracy 3
Comfort 4
Ease of setup 3
Privacy concerns 1
Sennheiser MOMENTUM True Wireless 509181
No customer feedback yet
Scores
Budget
Commute
Music
Travel
Gaming
Fitness
Calls
Specifications
| viaim OpenNote | Sennheiser MOMENTUM True Wireless 509181 | |
|---|---|---|
| Design | ||
| Form Factor | open-ear | in-ear |
| Wearing Style | ear-hook | true wireless stereo earphones |
| Ear Tips | — | XS, S, M, L |
| Weight | 0.07 kg | 0.01 kg★ |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 18 mm★ | 7 mm |
| Drivers | — | 7★ |
| Freq Min | — | 5 Hz★ |
| Freq Max | — | 21 kHz★ |
| Sensitivity | — | 107 dB★ |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | SBC, AAC, LHDC | SBC, AAC, aptX, aptX adaptive |
| Noise Control | ||
| ANC | ✓ | ✓ |
| ANC Type | — | Hybrid Adaptive |
| Transparency | — | ✓★ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.3★ | 5.2 |
| Profiles | — | A2DP, AVRCP, HFP |
| Multipoint | ✓★ | ✗ |
| Wired Connector | Bluetooth 5 | — |
| Earbud Battery | ||
| Battery Life | 19 hrs★ | 7 hrs |
| Charge Time | — | 1.5 hrs★ |
| Fast Charging | 10 min for 1 hour playback | 10 min charging 1 hrs music playtime |
| Charging | USB-C | USB-C |
| Case Battery | ||
| Case Battery | 53 hrs★ | 28 hrs |
| Case Charging | USB-C | USB-C |
| Wireless Charging | ✗ | ✓★ |
| Capacity | — | 77 mAh★ |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 4 | 6★ |
| NC Mic | ✓ | ✓ |
| Features | ||
| Voice Assistant | Voice Control 2.0 | Siri, Google Assistant |
| Touch Controls | ✓ | ✓ |
| App | viaim AI | Sennheiser Smart Control |
| Gaming Mode | ✗ | ✗ |
| Bone Conduction | ✗ | ✗ |
| Water Resistance | IPX4 | IPX4 |
Pros & Cons
viaim OpenNote
- Strong connectivity (98th percentile)98th %ile
- Strong battery (97th percentile)97th %ile
- Strong sound (96th percentile)96th %ile
- Strong mic (92nd percentile)92nd %ile
- Below average user sentiment (23rd percentile)
Sennheiser MOMENTUM True Wireless 509181
- Strong sound (100th percentile)100th %ile
- Strong mic (98th percentile)98th %ile
- Strong anc (97th percentile)97th %ile
- Strong comfort (95th percentile)95th %ile
Pricing
viaim OpenNote
No current pricing available
Sennheiser MOMENTUM True Wireless 509181
Verdict
Winner: Sennheiser MOMENTUM True Wireless 509181
Scores 84 overall, wins 7 of 7 usage categories and 10 of 37 specs.
