Sennheiser HD 400 Pro
A 120-ohm transducer with a specialized polymer diaphragm delivers a wide 6Hz-38kHz frequency response for detailed, low-distortion monitoring. The open-back design and plush velour ear pads provide a natural soundstage and lasting comfort at a light 240 grams, while the included coiled and straight cables offer flexible connectivity. These headphones are best for mixing engineers and producers who need accurate, uncolored reference sound for long studio sessions.
form factor over-ear
driver type dynamic
impedance ohms 120
open closed back open
34 Overall Score
Price €0
Snapshot
Pros & Cons
Pros
- Strong build (78th percentile) 78th
- Strong comfort (68th percentile) 68th
Cons
- Below average social proof (13th percentile)
- Below average mic (18th percentile)
- Below average anc (32nd percentile)
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Open/Closed | open |
| Weight | 0.2 kg / 0.5 lbs |
| Ear Cushion | Velour |
Audio
| Driver Type | dynamic |
| Freq Min | 6 |
| Freq Max | 38000 |
| Impedance | 120 |
| Sensitivity | 110 |
Connectivity
| Wired Connector | 3.5mm |
| Detachable Cable | Yes |
| Cable Length | 2.98 |
Features
| App | dearVR MIX |
vs Competition
| Spec | Sennheiser HD 400 Pro | Bowers & Wilkins Px8 S2 | Sony ULT WEAR WHULT900N/B | Apple AirPods Max Midnight | Technics EAH-A800 | Bose QuietComfort Ultra |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | - | 40 | 40 | 40 | 40 | - |
| Impedance Ohms | 120 | - | 314 | 16 | 34 | 32 |
| Wireless | - | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Open Closed Back | open | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.3 | 5.2 | 5.0 | 5.2 | 5.3 |
| Battery Life Hours | - | 30 | 30 | 20 | 50 | 24 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Sennheiser HD 400 Pro | 32.1 | 18 | 77.7 | 45.6 | 44.7 | 68.2 | 58.2 | 13.2 |
| Bowers & Wilkins Px8 S2 Compare | 98.1 | 99.3 | 95.7 | 99.4 | 76.1 | 53.6 | 97.7 | 98.3 |
| Sony ULT WEAR WHULT900N/B Compare | 98.1 | 85.3 | 77.7 | 95.6 | 76.1 | 53.6 | 98.9 | 87.5 |
| Apple AirPods Max Midnight Compare | 98.1 | 83.2 | 92.3 | 93.2 | 69.8 | 32.2 | 94.4 | 98.3 |
| Technics EAH-A800 Compare | 93.5 | 98.3 | 77.7 | 97.2 | 85.9 | 53.6 | 97.4 | 60.2 |
| Bose QuietComfort Ultra Compare | 93.5 | 79.2 | 95.7 | 52.9 | 72.7 | 81 | 99.3 | 73.1 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
