Sennheiser CX 300S In Ear Headphone
form factor In-Ear
9 Overall Score
Price $55
Snapshot
Pros & Cons
Pros
Cons
- Below average connectivity (9th percentile)
- Below average mic (9th percentile)
- Below average user sentiment (11th percentile)
- Below average sound (27th 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 cooled since launch
62/100Our AI sentiment read
Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | In-Ear |
vs Competition
| Spec | Sennheiser CX 300S In Ear Headphone | Samsung Galaxy Buds Buds3 Pro | Apple AirPods Pro MFHP4LL/A | Sony LinkBuds Fit WFLS910N/B | EarFun Air Pro Air Pro 4+ | Soundcore Soundcore P31i |
|---|---|---|---|---|---|---|
| Form Factor | In-Ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | - | Dynamic | Dynamic | dynamic | hybrid | Dynamic Driver |
| Wireless | - | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Bluetooth Version | - | 5.4 | 5.3 | 5.3 | 6.0 | 6.1 |
| Battery Life Hours | - | 6 | 8 | 5.5 | 12 | 10 |
| Case Battery Hours | - | 26 | 24 | 21 | 54 | 50 |
| Water Resistance | - | IP57 | IP57 | IPX4 | IP55 | IP55 |
| Multipoint | - | true | true | true | true | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Sennheiser CX 300S In Ear Headphone | 29 | 8.9 | 33.5 | 26.9 | 46.2 | 28.9 | 10.7 | 8.5 | 59.2 |
| Samsung Galaxy Buds Buds3 Pro Compare | 96.7 | 96.8 | 98.7 | 91.6 | 71.7 | 93.4 | 79.1 | 99.6 | 86.7 |
| Apple AirPods Pro MFHP4LL/A Compare | 96.7 | 79.8 | 98.7 | 89.1 | 74.7 | 71.4 | 0 | 97.8 | 99.7 |
| Sony LinkBuds Fit WFLS910N/B Compare | 96.7 | 65 | 78.7 | 97.7 | 65.1 | 93.4 | 79.1 | 97.3 | 59.2 |
| EarFun Air Pro Air Pro 4+ Compare | 96.7 | 96.8 | 91 | 99.7 | 95.5 | 71.4 | 97.2 | 99.3 | 86.7 |
| Soundcore Soundcore P31i Compare | 88.3 | 96.8 | 91 | 96.3 | 93.4 | 71.4 | 91.9 | 85 | 86.7 |
Price
Value & Pricing
From $55
Amazon 1 offers From $55
May 12, 2026 $55
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
