Sennheiser CX CX 300S
Delivering detailed sound through its 17Hz–21kHz transducer and 18-ohm impedance, the 14g wired design offers crisp audio with enhanced bass. A tangle-free cable and in-line mic/remote provide dependable call control, while the ergonomic ear-tip fit passively isolates ambient noise. Best for budget-conscious commuters needing a durable, no-fuss wired earbud with clear voice pickup.
form factor in-ear
42 Overall Score
Price ¥0
Snapshot
Pros & Cons
Pros
- Strong comfort (93th percentile) 93th
- Strong sound (67th percentile) 67th
Cons
- Below average user sentiment (20th percentile)
- Below average build (33th percentile)
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.
Owner sentiment has held steady over time
68/100Our AI sentiment read
Based on 12 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 | ear-tip |
| Ear Tips | XS, S, M, L |
| Weight | 0.0 kg / 0.0 lbs |
Audio
| Freq Min | 17 |
| Freq Max | 21000 |
| Impedance | 18 |
| Sensitivity | 118 |
Noise Control
| ANC | No |
| Transparency | Yes |
Connectivity
| Wired Connector | 3.5mm |
Earbud Battery
| Charging | proprietary |
Case Battery
| Case Charging | proprietary |
Microphone
| Microphone | Yes |
Features
| Touch Controls | Yes |
vs Competition
| Spec | Sennheiser CX CX 300S | Sony WF-1000XM6 WF-1000XM6 | Technics EAH-AZ100 EAH-AZ100 | Samsung Galaxy Buds Buds3 Pro | Bose QuietComfort Ultra 896637-0010 | Apple AirPods Pro MFHP4LL/A |
|---|---|---|---|---|---|---|
| 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 |
| Active Noise Cancellation | false | true | true | true | true | true |
| Bluetooth Version | - | 5.3 | 5.3 | 5.4 | 5.3 | 5.3 |
| Battery Life Hours | - | 8 | 8 | 6 | 6 | 8 |
| Case Battery Hours | - | 24 | 28 | 26 | 18 | 24 |
| Water Resistance | - | IPX4 | IPX4 | IP57 | IPX4 | IP57 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Sennheiser CX CX 300S | 60.5 | 35.3 | 33.3 | 66.8 | 46.9 | 93.3 | 20.1 | 39.7 | 64.6 |
| Sony WF-1000XM6 WF-1000XM6 Compare | 96.7 | 99.8 | 78.6 | 96 | 75.5 | 70.6 | 79.1 | 99 | 94.2 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.7 | 96.8 | 78.6 | 99 | 78.9 | 93.3 | 91.9 | 99 | 64.6 |
| Samsung Galaxy Buds Buds3 Pro Compare | 96.7 | 96.8 | 98.7 | 91.7 | 72.5 | 93.3 | 79.1 | 99.6 | 86.1 |
| Bose QuietComfort Ultra 896637-0010 Compare | 96.7 | 90 | 78.6 | 96.2 | 46.9 | 93.3 | 91.9 | 97.7 | 94.2 |
| Apple AirPods Pro MFHP4LL/A Compare | 96.7 | 80.1 | 98.7 | 89.2 | 75.5 | 70.6 | 0 | 97.7 | 99.7 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
