Sennheiser HD 400S Lightweight, Closed-Back Headphones

Closed-back around-ear headphones

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.

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.

SPECS

Tech Specs:

• 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
• Pick-up pattern: Omnidirectional
• Microphone sensitivity: 44dbV/Pa
• Acoustics: Closed
• Sensitivity: 120 dB SPL @ 1 kHz, 1V RMS