Sennheiser IE 100 Pro 509171
A dynamic full-range transducer delivers high-resolution, distortion-free monitoring sound, while the included Bluetooth module and 3.5mm cable offer a versatile 2-in-1 wired or wireless setup. Excellent passive shielding from the optimized earpiece shape and flexible attachments ensures stage-safe isolation, with 10 hours of battery life for continuous use. This in-ear monitor is best for musicians and DJs who need a single, reliable solution for both live stage monitoring and everyday mobile listening.
Snapshot
Pros & Cons
Pros
- Strong sound (82nd percentile) 82nd
Cons
- Below average battery (11th percentile)
- Below average comfort (28th percentile)
- Below average user sentiment (32nd percentile)
- Below average anc (32nd 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.
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 | true wireless |
| Ear Tips | 4 earpiece adapters |
Audio
| Driver Type | dynamic |
| Freq Min | 20 |
| Freq Max | 18000 |
| Impedance | 20 |
| Sensitivity | 115 |
| Hi-Res Audio | Yes |
| Codecs | Sennheiser Pro Audio IE 100 Pro Wireless In-Ear Monitor, Black |
Connectivity
| Wireless | Yes |
Earbud Battery
| Battery Life | 10 |
| Charging | USB-C |
Case Battery
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
vs Competition
| Spec | Sennheiser IE 100 Pro 509171 | Technics EAH-AZ100 EAH-AZ100-K | Bose QuietComfort Ultra 896637-0010 | Sony WF-1000XM6 | Google Pixel Buds Pro | EarFun Air Pro 4+ |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | hybrid |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Bluetooth Version | - | 5.3 | 5.3 | 5.3 | 5.0 | 6.0 |
| Battery Life Hours | 10 | 8 | 6 | 8 | 11 | 12 |
| Case Battery Hours | - | 28 | 18 | 24 | 31 | 54 |
| Water Resistance | - | IPX4 | IPX4 | IPX4 | IPX4 | IP55 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Sennheiser IE 100 Pro 509171 | 31.6 | 43 | 34.6 | 81.9 | 11.3 | 28.2 | 31.6 | 41.8 | 57.9 |
| Technics EAH-AZ100 EAH-AZ100-K Compare | 97.3 | 97.2 | 80.7 | 99 | 81.6 | 71.6 | 92 | 99.1 | 80.3 |
| Bose QuietComfort Ultra 896637-0010 Compare | 97.3 | 91.2 | 80.7 | 96.7 | 47.1 | 94.2 | 92 | 97.9 | 89.6 |
| Sony WF-1000XM6 Compare | 97.3 | 99.8 | 80.7 | 88.6 | 78.4 | 71.6 | 49.9 | 97.9 | 80.3 |
| Google Pixel Buds Pro Compare | 97.3 | 82.6 | 80.7 | 93.3 | 84.7 | 71.6 | 97.1 | 95.3 | 89.6 |
| EarFun Air Pro 4+ Compare | 97.3 | 97.2 | 91.8 | 99.7 | 96.1 | 71.6 | 97.1 | 99.3 | 89.6 |
Price
Value & Pricing
Amazon.de 1 offer From €119
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
