The HD 400S features a one-button smart remote conveniently located on the cable, which allows you to control music and take calls with ease. Sennheiser dynamic drivers deliver a well-extended sound response with dynamic bass.
- Impedance: 18 Ω
- Frequency response (Microphone): 100 – 10,000 Hz (-10 dB)
- Frequency response (Headphones): 18–20,000 Hz (-10 dB)
- Frequency response: 18- 22,000 Hz
- Sound pressure level: (SPL) 120dB (1kHz/1Vrms)
- THD, total harmonic distortion: