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.
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
Accessories & spare parts
We are committed to the longevity of our products.
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