Lightweight, foldable headphones
The HD 400S features a one-button smart remote, 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.
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For a unique listening experience
Sennheiser’s dynamic drivers deliver a well-extended sound response with dynamic bass for a unique listening experience and closed-back around-ear headphones reduce unwanted background noise for your comfort.
Specifications
Article number (SKU)
508598
Transducer principle
dynamic, closed-back
Wearing style
Over-Ear
Acoustic principle
closed
Adapter
3.5mm, angled
Cable length
1.4m
Weight
217g
Frequency response (speaker)
18 Hz to 20,000 Hz
Impedance
18 Ω
Transducer size
9.7 mm
Total harmonic distortion (THD)
< 0.5% (1 kHz, 100dB)
Frequency response (microphone)
100 to 10,000 Hz
Microphone pick-up pattern
Omni-directional
Wearing style
Over-Ear
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