Sennheiser HD 400S - Over-Ear Headphone with Smart Remote, Black

Impedance 18 Ω Frequency response (Microphone) 100 – 10,000 Hz (-10 dB) Frequency response (Headphones) 18–20,000 Hz (-10 dB). Weight 217g Pick-up pattern Omni directional Microphone sensitivity 44dbV/Pa.

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