Sennheiser CX 350BT
Support for AptX Low Latency and multi-point Bluetooth 5.0 connectivity enables seamless switching between two devices, while a 10-hour battery life and quick USB-C charging keep you untethered. A four-button in-line remote provides full music, call, and voice assistant control, and the Sennheiser Smart Control app unlocks a customizable equalizer plus a dedicated podcast mode. It’s best for podcast fans and mobile multitaskers needing reliable dual-device pairing and voice assistant access.
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong connectivity (94th percentile) 94th
- Strong comfort (93rd percentile) 93rd
- Strong sound (86th percentile) 86th
Cons
- Below average battery (17th percentile)
- Below average affordability (22nd percentile)
- Below average anc (31st percentile)
- Below average social proof (34th percentile)
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | canal |
| Ear Tips | XS, S, M, L |
| Weight | 0.0 kg / 0.0 lbs |
Audio
| Freq Min | 17 |
| Freq Max | 20000 |
| Impedance | 28 |
| Codecs | SBC, AAC, AptX, AptX Low Latency |
Connectivity
| Wireless | Yes |
| Bluetooth | 5 |
| Profiles | A2DP, AVRCP, HSP, HFP |
| Multipoint | Yes |
| Wired Connector | USB-C |
Earbud Battery
| Battery Life | 10 |
| Fast Charging | fast USB-C charging |
| Charging | USB-C |
Case Battery
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
Features
| Voice Assistant | Siri, Google Assistant |
| Touch Controls | Yes |
| App | Smart Control |
vs Competition
| Spec | Sennheiser CX 350BT | Technics EAH-AZ100 | JLab JBuds Pods ANC | Sony WF-1000XM6 | Samsung Galaxy Buds3 Pro | Apple AirPods Pro 3rd Generation |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | - | dynamic | dynamic | dynamic | dynamic | dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Bluetooth Version | 5.0 | 5.3 | 5.4 | 5.3 | 5.4 | 5.3 |
| Battery Life Hours | 10 | 8 | 10 | 8 | 6 | 8 |
| Case Battery Hours | - | 28 | 56 | 24 | 26 | 24 |
| Water Resistance | - | IPX4 | IP55 | IPX4 | IP57 | IP57 |
| Multipoint | true | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|---|---|
| Sennheiser CX 350BT | 30.7 | 36.7 | 33.8 | 85.5 | 17.1 | 93.2 | 93.9 | 33.8 | 21.6 |
| Technics EAH-AZ100 Compare | 97.5 | 97.4 | 78.7 | 99.7 | 76.6 | 93.2 | 99.8 | 81.3 | 2.8 |
| JLab JBuds Pods ANC Compare | 93.6 | 97.4 | 90.7 | 87.2 | 94.1 | 93.2 | 98.2 | 95.5 | 32.9 |
| Sony WF-1000XM6 Compare | 97.5 | 99.8 | 78.7 | 93.4 | 73.1 | 69.8 | 99.6 | 81.3 | 3.4 |
| Samsung Galaxy Buds3 Pro Compare | 97.5 | 97.4 | 98.9 | 92.2 | 70.5 | 93.2 | 99.6 | 89.7 | 7.3 |
| Apple AirPods Pro 3rd Generation Compare | 97.5 | 81 | 98.9 | 90.4 | 73.1 | 69.8 | 99.6 | 99.3 | 10 |
Usage Scores
- Calls30.8
- Music58.9
- Overall37.5
- Budget44.3
- Gaming46.3
- Travel30.2
- Commute27.8
- Fitness32.2
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.