Sennheiser 506909
The 70-ohm impedance and 120dB SPL handling let these headphones deliver clear monitoring even at punishing volumes, while the 140g weight and split headband enable single-ear use during long sets. Their modular, all-black construction uses replaceable parts, making field repairs straightforward without sacrificing the robust build quality. This is the standard choice for DJs and broadcast engineers who need reliable isolation and durability in loud, mobile environments.
Snapshot
Pros & Cons
Pros
- Strong build (81st percentile) 81st
- Strong comfort (73rd percentile) 73rd
Cons
- Below average mic (20th percentile)
- Below average anc (33rd 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 6 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | on-ear |
| Open/Closed | closed |
| Weight | 0.1 kg / 0.3 lbs |
Audio
| Driver Type | dynamic |
| Freq Min | 16 |
| Freq Max | 22000 |
| Impedance | 70 |
| Sensitivity | 120 |
Connectivity
| Wired Connector | 3.5mm |
| Detachable Cable | Yes |
| Cable Length | 3 |
vs Competition
| Spec | Sennheiser 506909 | Sony ULT WEAR WHULT900N/B | Apple AirPods Max Midnight | Technics EAH-A800 | Bose QuietComfort Ultra | JBL Tune 670NC |
|---|---|---|---|---|---|---|
| Form Factor | on-ear | over-ear | over-ear | over-ear | over-ear | on-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | - | 40 | 40 | 40 | - | 32 |
| Impedance Ohms | 70 | 314 | 16 | 34 | 32 | 32 |
| Wireless | - | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.2 | 5.0 | 5.2 | 5.3 | 5.3 |
| Battery Life Hours | - | 30 | 20 | 50 | 24 | 70 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Sennheiser 506909 | 33.2 | 19.9 | 80.6 | 54.4 | 50.6 | 72.9 | 53 | 49.1 | 47.4 |
| Sony ULT WEAR WHULT900N/B Compare | 98.4 | 88.3 | 80.6 | 96.6 | 80.8 | 59.6 | 70.8 | 99.1 | 89 |
| Apple AirPods Max Midnight Compare | 98.4 | 86.7 | 93.5 | 94.7 | 75.7 | 34.1 | 87.2 | 95.6 | 98.7 |
| Technics EAH-A800 Compare | 94.8 | 98.7 | 80.6 | 97.8 | 88.6 | 59.6 | 53 | 97.9 | 64.4 |
| Bose QuietComfort Ultra Compare | 94.8 | 83.5 | 96.2 | 61.3 | 78 | 84.5 | 70.8 | 99.4 | 76 |
| JBL Tune 670NC Compare | 98.4 | 73.6 | 80.6 | 64.8 | 95.2 | 90.1 | 81.7 | 99.4 | 98.7 |
Price
Value & Pricing
Amazon 1 offer From $146
Adorama 1 offer From $150
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
