Sennheiser CX True Wireless
German-made 7mm TrueResponse drivers, aptX codec support, and a 27-hour total battery life with the case distinguish these in-ears for clear, detailed sound. A lightweight ergonomic design with four ear adapter sizes yields effective passive noise isolation, complemented by customizable touch controls and a Bass Boost EQ via the Smart Control app. They suit budget-focused Android users who want reliable, long-lasting audio for daily listening and calls in quieter spaces, not noisy commutes.
form factor in-ear
driver type dynamic
Wireless Yes
bluetooth version 5.2
battery life hours 9
case battery hours 27
water resistance IPX4
69 Overall Score
Price MX$0
No listings available
Snapshot
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 2 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | true wireless |
| Ear Tips | XS, S, M, L |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 7 |
| Freq Min | 5 |
| Freq Max | 21000 |
| Impedance | 16 |
| Codecs | SBC, AAC, aptX |
Noise Control
| ANC | No |
| Transparency | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.2 |
| Profiles | A2DP, AVRCP, HFP |
Earbud Battery
| Battery Life | 9 |
| Charge Time | 1.5 |
| Fast Charging | 15 min for 1 h playtime |
| Charging | USB-C |
Case Battery
| Case Battery | 27 |
| Case Charging | USB-C |
| Wireless Charging | No |
Microphone
| Microphone | Yes |
| Mic Count | 4 |
| NC Mic | Yes |
Features
| Voice Assistant | Siri, Google Assistant |
| Touch Controls | Yes |
| App | Sennheiser Smart Control App |
| Gaming Mode | No |
| Bone Conduction | No |
| Water Resistance | IPX4 |
vs Competition
| Spec | Sennheiser CX True Wireless | Technics EAH-AZ100 EAH-AZ100-K | Samsung Galaxy Buds3 Pro | Sony WF-1000XM6 | Bose QuietComfort Ultra 896637-0010 | Apple AirPods Pro 3 |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Bluetooth Version | 5.2 | 5.3 | 5.4 | 5.3 | 5.3 | 5.3 |
| Battery Life Hours | 9 | 8 | 6 | 8 | 6 | 8 |
| Case Battery Hours | 27 | 28 | 26 | 24 | 18 | 24 |
| Water Resistance | IPX4 | IPX4 | IP57 | IPX4 | IPX4 | IP57 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Sennheiser CX True Wireless | 32 | 92.1 | 81.4 | 85.8 | 82.9 | 73.3 | 84.4 | 58.1 |
| Technics EAH-AZ100 EAH-AZ100-K Compare | 97.5 | 97.5 | 81.4 | 99.1 | 82.9 | 73.3 | 99.2 | 80.7 |
| Samsung Galaxy Buds3 Pro Compare | 97.5 | 97.5 | 98.9 | 93.6 | 77.8 | 94.6 | 99.6 | 89.8 |
| Sony WF-1000XM6 Compare | 97.5 | 99.8 | 81.4 | 89.2 | 80 | 73.3 | 99.2 | 80.7 |
| Bose QuietComfort Ultra 896637-0010 Compare | 97.5 | 92.1 | 81.4 | 97 | 49.4 | 94.6 | 98.1 | 89.8 |
| Apple AirPods Pro 3 Compare | 97.5 | 84.3 | 98.9 | 91.5 | 80 | 94.6 | 99.6 | 99.4 |
