The high frequencies of the Sennheiser HD400S have emphasis in various places across the lower treble, upper treble, and upper octave. However, it also has a cut around what sounds like 9 kHz. As a result, the highs have a unique shape that is able to give detail to high frequency instruments while avoiding sibilance. Ich habe vor kurzem den Sennheiser HD 400S Over-Ear-Kopfhörer mit Smart Remote in Schwarz erworben und bin absolut begeistert von der Leistung und dem Komfort, den er bietet. Das elegante schwarze Design des HD 400S verleiht ihm eine zeitlose Ästhetik, die zu jedem Stil passt. Die Verarbeitungsqualität ist spürbar hochwertig, was auf eine lange Haltbarkeit hinweist.

There is a sub boost noticeable around the 30 Hz mark on the low frequencies of the Sennheiser HD 400S. This adds extra energy to every song that uses sub frequencies as a means for whipping up emotional impact. It achieves a perfect balance by boosting the lows without covering the low-mids in a shroud. The Sennheiser HD 400s headphone is a wired headphone with a supraaural ear coupling. It does not feature a noise-canceling microphone. The maximum sound pressure level of 120 dB makes it perfect for listening to music, watching movies, and playing games without any distortion. Constructed with premium materials, it guarantees long-term durability and reliability. Sennheiser aimed to be balanced when designing the HD 400S. The bass range doesn’t leave me wanting more but also isn’t overpowering. It has a nice balance that works well with all genres. While bass parts tend to be more clear than warm, this is still very good for a headphone at this price. I was impressed by the lows and how well they were able to deliver clean and balanced bass. Mids The Sennheiser HD400S is the successor of the Sennheiser HD 4.20! And as such, it has a great build quality, is comfortable on the head, and fits within a comfortable budget. But how does it sound? Let’s take a closer look with this Sennheiser HD400S Review! A Great Value! – Sennheiser HD400S Review In the BoxThe Sennheiser HD 400s headphone features a sensitivity of 120 dB and an impedance of 18 Ω. With a total harmonic distortion of 0.5 %, this headphone delivers clear sound quality. The cable length of 1.4 meters makes it easy to use with various devices. Featuring a closed acoustic system, this headphone gives an immersive sound experience. The Y airplane plug and microphone input add to the convenience of usage for travelers and professionals alike. Though it weighs 217 grams, it is comfortable to wear for extended periods. There is a low mid boost noticeable around the 300 Hz mark on the middle Frequencies of the HD 400S Sennheiser headphones. This offers a good base to the pianos, electric guitars, bass guitars, and strings, nonetheless, we can’t call this feeling ‘a feeling of the body.’ On the other hand, we find that the midrange gets a sort of smiley face curve in the midrange due to a cut experienced around the 1 kHz mark accompanied immediately by a boost in the high mids. This ensures that the user wouldn’t get a cloudy feel but the levels of midrange instruments in the music feel slightly crooked. You will find that vocals are usually louder in the mix thanks to the high mid boost. There is a decent feeling of contrast to be found in the height and width range on the soundstage of the HD 400S. It offers a powerful abstract center which provides good contrast for instruments spread out wide. You may experience a depth and extra tallness to the height with the sub energy present within your chest completing the contrast in the clearer and lighter regions of the high frequencies. You will find that the high mid boost makes the sense of depth feel a little crooked but often noticeable depending on how the mix utilized soundstage. Final Thoughts on Sennheiser HD 400S The HD 400S exacts a secure clamping force around the head while remaining comfortable. Built into the underside of the headband is thin padding coated with soft rubber or silicone material to ensure the headphones stay in place. Disclaimer: Before using your headphones. Be it any headphones. Burn your headphones for atleast 3-4 hours minimum. Advisable burning would be of 10 hours. Burning headphones is basically, playing pink noise/static noise on max volume, so the magnetic drivers will operate smoother. Hence improving the sound quality.

Validity : Extended Warranty will start after the Brand warranty ends & continues for 1 year/ 2 years as per plan. What's covered : The plan covers all defects & electric malfunctions as covered under the original Brand warranty. For example, when I was listening to the song Miles Runs the Voodoo Down by Miles Davis, the wide-panned electric guitars and keys contrasted well with the trumpet in the center. Additionally, the highs of the cymbals and trumpet contrasted wonderful in height from the body of the bass guitar and toms down below the head. The sense of depth wasn’t much to write home about, however came through in the song when the far off snare fills entered. These fills contrasted well with the intimacy of the trumpet. Overview With an inline mic and remote, the Sennheiser HD400S headphones are the perfect on-ear headphone match for your smartphone or tablet.is fairly good for the price. It feels sturdy- plastics feel nice. Doesn't feel cheap at all. The cable feels a bit flimsy. Extra points for using matte finish plastics You can't speak of naturalness or authenticity with the HD400S and it definitely can't be described as an all-rounder. Stage and imaging are average here. The audio cable is removable, but unfortunately the connector is not compatible with external cables. The cable also has a remote and measures 140cm. The soundstage of the Sennheiser HD400S had a nice feeling of contrast in the height and width domains. It had a strong phantom center, which contrasted well with instruments panned out wide. Additionally, the height felt tall and deep with the sub energy in my chest complimenting the difference in the brighter, airer parts of the high frequencies. The sense of depth was skewed a bit due to the high mid boost, but came through depending on how it the mix used soundstage. For example, when I was listening to the song Daydreaming by Middle Brother, the stringiness of the acoustic guitar felt emphasized over its body. Additionally, while the electric guitar had a sense of midrange, it leaned a bit toward the high mids. It was able to maintain its sense of harmonic complexity, but had a particular sense of clarity. For other genres, this may have felt somewhat thin, but for this genre it worked quite well. Lastly, the vocal sounded louder in the mix than usual, and stepped forward in the soundstage as well. High Frequencies

One of the main considerations Sennheiser had for the HD 400S was its context of use. These headphones have a very low impedance, making them perfect for mobile devices that might not have the power to drive more resistant headphones. The driver is still of Sennheiser’s own design and can balance clarity with power. The detachable cable features a control unit with a built-in mic of excellent quality, especially for calls.Featuring a one-button smart remote on the cable, the HD400S lets you take control of your music and calls. Play, pause and skip your music and accept or drop calls – all at the touch of a button. Tapped twice, you can also call on Siri or Google Assistant for voice guidance instructions. There is an emphasis found at different points across the upper octave, upper treble, and lower treble which are brought on by the high frequencies of the Sennheiser HD 400S. A cut is also noticeable around 9 kHz which gives the highs a special shape able to offer detail to high-frequency instruments while keeping sibilance away. The H400S is a headphone for mobile use, which can be used on a cell phone (18 Ohm, 120 dB) without any problems. It has good isolation, but the sound is too inconsistent and rarely works musically.