Sennheiser HD 400S | Over-Ear Wired Headphones - OnWard PH

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Sennheiser HD 400S Over-Ear Wired Headphones


Meet the Sennheiser HD 400S

The HD 400S is a compact closed back, around ear headphone delivering an exceptional listening experience with solid bass response and ambient noise reduction. It features a one-button, in-line smart remote conveniently allowing music and call control. A folding headband offers easy storage and portability when not in use. Quality materials and construction provides performance and durability enhancing your busy lifestyle. Stay connected and improve your listening experience with the HD 400S!


  • 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

Technical 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

What's in the box

  • HD 400S around-ear headphones
  • RCS 400 detachable single-sided cable with 1-button remote and 3.5 mm angled plug

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