Sennheiser HD 400S
Its foldable, 218g build, 18-ohm impedance, and dynamic 18Hz-20kHz drivers deliver crisp, efficient sound in a highly portable design. The built-in omnidirectional mic and inline controls add hands-free calling and track management, a practical touch at this price. Best for budget-conscious users needing a reliable wired headset for voice and casual listening, not for critical music or gaming.
About This Headphones
Its foldable, 218g build, 18-ohm impedance, and dynamic 18Hz-20kHz drivers deliver crisp, efficient sound in a highly portable design. The built-in omnidirectional mic and inline controls add hands-free calling and track management, a practical touch at this price. Best for budget-conscious users needing a reliable wired headset for voice and casual listening, not for critical music or gaming.
- Form factor over-ear
- Driver type dynamic
- Impedance ohms 18
- Open closed back closed
Overview
Performance
Pros & Cons
Pros
- Strong social proof (79th percentile) 79th
- Strong build (77th percentile) 77th
Cons
- Below average sound (18th percentile) 18th
- Below average anc (31th percentile) 31th
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Open/Closed | closed |
| Foldable | Yes |
| Weight | 0.2 kg / 0.5 lbs |
Audio
| Driver Type | dynamic |
| Freq Min | 18 |
| Freq Max | 20000 |
| Impedance | 18 |
Noise Control
| ANC | No |
Connectivity
| Wireless | No |
| Wired Connector | 3.5mm |
| Detachable Cable | Yes |
| Cable Length | 1.4 |
Microphone
| Microphone | Yes |
| Boom Mic | No |
vs Competition
| Spec | Sennheiser HD 400S | Sony WH-1000XM6 WH-1000XM6 | Bowers & Wilkins Px8 S2 Px8 S2 | Bose QuietComfort Ultra 2nd Gen | Technics EAH-A800 EAH-A800 | JBL Live 770NC |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | Dynamic | PEEK/Polyurethane 3-Layer Diaphragm | Dynamic |
| Driver Size (mm) | - | 30 | 40 | - | 40 | 40 |
| Impedance Ohms | 18 | 48 | - | 32 | 34 | 32 |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.3 | 5.3 | 5.4 | 5.2 | 5.3 |
| Battery Life Hours | - | 30 | 30 | 30 | 50 | 65 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Sennheiser HD 400S | 30.8 | 44.5 | 77.1 | 17.7 | 44.4 | 51 | 37.1 | 79.4 |
| Sony WH-1000XM6 WH-1000XM6 Compare | 97.6 | 91.4 | 92.1 | 95.2 | 72.6 | 79.7 | 99.7 | 93.6 |
| Bowers & Wilkins Px8 S2 Px8 S2 Compare | 97.6 | 99.4 | 95.8 | 99.3 | 72.6 | 51 | 97.5 | 98.8 |
| Bose QuietComfort Ultra 2nd Gen Compare | 92.4 | 78.8 | 97.2 | 48.2 | 72.6 | 86.8 | 99.7 | 98.8 |
| Technics EAH-A800 EAH-A800 Compare | 92.4 | 98.4 | 77.1 | 96.9 | 83.9 | 51 | 93.1 | 98.8 |
| JBL Live 770NC Compare | 97.6 | 78.8 | 97.2 | 85.1 | 91.7 | 51 | 100 | 98.8 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
