Price: $149.95
(as of Jul 23, 2024 13:28:13 UTC – Details)
The HD 4.20s has been succeeded by the HD 300 and the HD 400S.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, and the sturdy folding design makes these headphones durable and compact enough to be taken anywhere. Sennheiser dynamic drivers deliver a well-extended sound response with dynamic bass. Features: Renowned Sennheiser sound quality for a unique listening experience. Built-in microphone and remote for call and music control. Closed-back around-ear headphones reduce unwanted background noise for your comfort. Lightweight, foldable headphones for easy on-the-go storage
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
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