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Specifications
  • Sound Mode
    Stereo
    Connection Type
    Wired
    Built-In Microphone
    Yes
    Headphone Fit
    Over-the-Ear
    Adjustable Headband
    No
  • Key Specs
    • Sound Mode: Stereo
    • Connection Type: Wired
    • Built-In Microphone: true
    • Headphone Fit: Over-the-Ear
    • Adjustable Headband: false
  • General
    • Brand: Sennheiser
    • Model Number: HD 400S
    • Product Name: HD 400S Wired Over-the-Ear Headphones
    • Color: Black
  • Audio
    • Sound Isolating: true
    • Minimum Frequency Response: 18 hertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The minimum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
    • Maximum Frequency Response: 20 kilohertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The maximum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
    • Impedance: 18 ohms (Describes the resistance of an electric signal throughout the system. Devices with low impedance require less power to deliver optimal signals but are more at risk for damage from overloading. Higher impedance requires more power but is more protected from overload damage.)
    • Total Harmonic Distortion: 0.5 percent (Measurement of the harmonic sound distortion. The lower the percentage, the cleaner the sound.)
    • Sound Mode: Stereo
  • Connectivity
    • Connection Type: Wired
    • Connector Size: 1/8 in. (3.5mm)
    • Detachable Cord: true
  • Features
    • Built-In Microphone: true
    • Controls: Call, Track selection
  • Design
    • Headphone Fit: Over-the-Ear
    • Adjustable Headband: false
    • Foldable Design: true
  • Dimensions
    • Product Width: 7 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Weight: 0.48 pounds (The out of box weight of the item.)
    • Cord Length: 4.6 feet
  • Other
    • UPC: 615104327870

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. These Sennheiser HD 400S wired over-the-ear headphones have a closed-back foldable design, reducing unwanted background noise while making storage easy and simple.

  • 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.
Whats Included
  • Sennheiser HD 400S Wired Over-the-Ear Headphones
Product Manuals

Q: How long is the cable on these headphones?

A: These headphones come with a 4.6-foot cable.

Q: Are these headphones foldable for easy storage?

A: Yes, these headphones have a foldable design for easy storage and portability.

Q: What type of sound design do these headphones use?

A: These headphones utilize a stereo design to deliver crisp sound.

Q: What is the frequency response range of these headphones?

A: These headphones have a frequency response of 18Hz to 20kHz.

Q: Do these Sennheiser headphones have a built-in microphone?

A: Yes, these headphones have a built-in microphone for hands-free chatting.

Q: Is it noise cancelling

A: undefined

Sennheiser - HD 400S Wired Over-the-Ear Headphones - Black

Model: HD 400S
SKU: 6332153
Deal ends Jul 7, 2025
$69.99
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Comp. Value: $89.99
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Pros for Sennheiser - HD 400S Wired Over-the-Ear Headphones - Black
Sound Quality, Comfort, BassSound QualitySound Quality, Comfort, Price, Fit, WeightSound Quality, Comfort, Price, Fit, Foldable
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There were no cons for this productThere were no cons for this productCord Length, Microphone, Battery LifeCord Length, Microphone, Volume

Specs

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Reviews

Customers are saying

Customers are impressed with the HD 400S Wired Over-the-Ear Headphones for their exceptional sound quality, with many praising the clear treble and powerful bass. The headphones are also generally comfortable to wear, with some users specifically noting that they are not too tight around the ears. Additionally, many customers feel that the headphones offer great value for their price, with one user even expressing surprise at how good they are for their cost. On the downside, a few users have mentioned that the headphones can be uncomfortable for those with larger ears.

This summary was generated by AI based on customer reviews.

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 4 out of 5 stars

    Competitive for the price and quality

    This was a Christmas gift for my partner, so i havent used them a whole bunch, but when i did they were suprisingly good! Fit lightly and comfortable on the ears (even in glasses!), clean sound with deep bass, not a "cheap loud" most headphones in this pricepoint go for, materials felt high quality, fold neatly as well as swivel without collapsing on themselves constantly, and REMOVABLE AUX so another star for reliability and long term use. Overall, in the price range, id definitely recommend trying these.

    Posted by ibdef

  • Rated 5 out of 5 stars

    Great Buy!

    I love these headphones! They are comfortable wearing over long periods of time and have great bass, mids and highs and you can’t beat the price

    Posted by CayoA

  • Rated 4 out of 5 stars

    Great headphones for the price.

    Pretty good for the price, earcups aren't mushy or too firm, has the right amount of plushness and softness. The frame is a little bendable which isn't bad and means it can fit more head shapes but does mean the materials aren't very strong and are most likely plastic or strong plastic. Sound quality is good for the price your paying, like the compatibility and the pouch that comes with it. Overall, great headphones for the price, though I would spend the 10 to 15 dollars more to get the wireless ones.

    Posted by Supreme485

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