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.
£ 59.99
incl. VAT – free shipping
Article No. 508598
★ ★ ★ ★ ☆ 4.5
4 Reviews

Overview

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.


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

Technical Data

  • 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
Reviews (4)
4.5 of 5 ★ ★ ★ ★
  • Jayden
    Melbourne
    ★★★★☆
    Good

    The sound quality was great, but after about 3 travels in my backpack, it doesn't play anymore sound, aka doesn't work anymore.

    PRO:

    The sound quality is great and it's very comfortable.

    CON:

    Nothing really, maybe a sturdier design next time?

    BEST USES:

    For listening to music

    BOTTOM LINE:

    I would recommend this to a friend.

  • Gabe
    ★★★★☆
    Microphone doesn't work with WIN10

    Good headphone. Wish the microphone worked as I plug the headphone in.

    PRO:

    Good sound, comfortable to wear.

    CON:

    Microphone doesn't work with Windows 10. Actually, it doesn't even recognize it as a headphone for me. Microphone doesn't work. I looked for drivers but couldn't find any.

    BEST USES:

    BOTTOM LINE:

    I would recommend this to a friend.

  • Jake
    Brisbane, Australia
    ★★★★★
    Jaw dropping audio quality and craftmanship

    (y)

    PRO:

    Amazingly priced. The sound quality knocked me off my feet. The bass is incredible as well as the highs, mid and lows. I could not be happier with my new headphones!!! The design is beautiful and they could not be any comfier. Thank you Sennheiser!

    CON:

    Nothing at all

    BEST USES:

    Anything and everything that would require listening to something. Listening to music will blow your mind

    BOTTOM LINE:

    I would recommend this to a friend.

Downloads

  • EU Declaration of Conformity
    • EU Declaration of Conformity HD 400S (470 KB) Download

  • Quick Guides
  • Safety Guides