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Sennheiser HD 400S Over-Ear Headphones

Item # SRDH400S (Part # 508598)
Brand new, USA Warranty
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Item Description:
  • Closed-Back Around-Ear Design
  • 18 Hz to 20 kHz Frequency Response
  • Reduces Unwanted Background Noise
  • 4.6' Cable with Mic and 1-Button Remote
  • Foldable Headphones for Easy Storage
  • Compact and Foldable
  • 3.5mm Right Angled Plug
  • 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. Experience crisp, dynamic sound with these Sennheiser HD 400S wired over-the-ear headphones. The microphone features an omnidirectional pickup with a frequency response of 100Hz to 10kHz, comfortably catching all wanted sounds. 


    • Over-the-ear design
      For a secure fit.

    • Folding design
      Along with an included carrying case enables easy portability.

    • Headset controls
      Include answer/end, play/pause and next/previous track.

    • Built-in microphone
      Enables simple hands-free chatting via a compatible device.

    • 18Hz - 20kHz headset frequency response
      Along with a 100Hz - 10kHz microphone frequency response ensures faithful sound reproduction.

    • 18 ohms impedance
      To efficiently conduct power.

    • Dynamic transducer design
      For reference-grade audio.

    • Stereo design
      Delivers crisp tones.

    • 4.6' cable
      Permits a flexible range of motion.

    Sennheiser HD 400S Specs


    Driver Type Dynamic
    Design Over-Ear (Circumaural)
    Earcup Style Closed-Back


    Frequency Response 18 Hz to 20 kHz
    Sensitivity 120 dB at 1 kHz / 1 mW
    Impedance 18 Ohms
    Maximum Sound Pressure Level (SPL) 120 dB at 1 kHz / 1 Vrms
    Total Harmonic Distortion (THD) 0.5%
    Active Noise Cancellation No
    Foldable Yes


    Type Dynamic
    Pickup Pattern Omni-Directional
    Frequency Response 100 Hz to 10 kHz
    Sensitivity -44 dB


    Audio Connector 1/8" / 3.5 mm TRRS Right-Angled


    Cable Design Single-Sided
    Detachable Yes
    In-Line Remote/Microphone Yes
    Full Remote OS Support Android, iOS
    Cable Length 55.12" / 1.4 m
    Sennheiser HD 400S Over-Ear Headphones
    1-Button Remote Cable
    Limited 2-Year Warranty
    This Kit Includes: