About this item
- Impedance 18 Ω Frequency response (Microphone) 100 – 10,000 Hz (-10 dB) Frequency response (Headphones) 18–20,000 Hz (-10 dB)
- Sound pressure level (SPL) 120dB (1kHz/1Vrms) THD, total harmonic distortion <0.5% (1kHz/100dB) Ear coupling Over-Ear
- Jack plug 3.5mm angled Cable length 1.4m Transducer principle Dynamic
- Weight 217g Pick-up pattern Omni directional Microphone sensitivity 44dbV/Pa
- Acoustics Closed Sensitivity 120 dB SPL @ 1 kHz, 1V RMS
| Brand | Sennheiser |
| Colour | Black |
| Ear placement | Over Ear |
| Form factor | Over Ear |
| Impedance | 18 Ohms |
| Noise control | Passive Noise Cancellation |
| Frequency response | 18 Hz |
| Sensitivity | 120 dB |
| Headphone jack | 3.5 mm Jack |
| Model name | HD 400S |








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