Controversy: Why MS5?



May 11, 2023

There has been some controversy surrounding the Hidizs brand and their MS5 IEMs in recent days. Some individuals have accused Hidizs of exaggerating the IEMs' capabilities and overpricing the MS5, while others have praised the audio and build quality, recommending them as a worthwhile purchase.


It is worth noting, however, that the Hidizs MS5 IEMs have received positive reviews from numerous reputable sources, including audio experts, public reviewers, and consumers. In this article, we will delve into some of the most discussed topics related to MS5 on forums and social media.


About Hidizs MS5


We understand that everyone has the right to choose the IEMs that meet their personal listening preferences and needs, and we don't want to pressure anyone into purchasing the MS5. We also do not want to mislead people into blind consumption, but rather to help people understand the value and quality that our MS5 IEMs offers at this price point. We hope that users can pay more attention to the value that Hidizs-designed products are trying to deliver, rather than just the price number.


The product description and features of the MS5 listed on our website can surely be interpreted literally. However, we would like to provide an explanation for the following key highlighted points, which we believe are the parts that most people are concerned about.


The reason why MS5 uses Denmark Sonion Drivers is that Sonion drivers have a more balanced and natural performance in music, and have outstanding resolution and dynamic response capabilities, making them very suitable for high-end HIFI headphones. In addition, Sonion drivers have the highest reputation in the audio industry, and are one of the most popular driver units. Compared to other brand drivers, Sonion drivers’ sound performance may be more balanced and natural.


Since MS5 is our flagship in-ear headphones, the sound engineer's positioning for MS5 pursues an overall listening experience that is more natural, transparent, and better at reproducing sound performance, rather than simply pursuing the effect on the curve diagram. The Sonion drivers unit provide high frequencies that are crisp but not piercing, mid frequencies that are smooth but not muddy, and low frequencies that are elastic and with good depth. Therefore, choosing the appropriate driver unit is crucial. Its adopted technology and craftsmanship can bring MS5 superior sound quality and a better overall experience.


The reason why the craftsmanship of HIFI earphones is so complex is that these IEMs not only need to achieve high-quality audio performance but also need to be compact in size. To meet these requirements, high-end materials and craftsmanship are required to create them. Hidizs MS5 adopts a 1 Dynamic Driver 4 Balanced Armature Drivers design, which is a complex manufacturing process that takes a lot of time. The assembly of multiple parts needs to be done in a small cavity, such as 3D printed acoustic ducts, a combination of five units, circuit board allocation, and dampers, all of which are ensured to be perfect under a microscope. Therefore, they need to be assembled by hand, one by one. This requires meticulous handling in design, manufacturing, and tuning to ensure high-fidelity audio performance.


Check out one of the HIFI audiophile who did the teardown of MS5


Regarding why the MS5 adopts 1 Dynamic Driver 4 Balanced Armature Drivers design, it is mainly to provide outstanding audio performance. Compared to traditional dynamic headphones, balanced armature IEMs can provide stronger analytical power and delicate audio performance, while also better showcasing details and layering in both low and high frequencies.

To provide users with more enjoyment and a superior audio experience, the MS5 uses three distinct and unique frequency response curves, which have garnered widespread attention and discussion. By analyzing the tuning characteristics of the MS5 "Black Angel '' from the frequency response curve and combined with replaceable "Hidizs Pneumatic Sound Tuning Filter™", users can experience completely different sound styles without changing the product or tuning style.


Click and refer to the tuning characteristic document attached to the frequency response curve


It is worth mentioning that a well-known influencer combined the three sets of replaceable "Hidizs Pneumatic Sound Tuning Filter™" with targeted tonal directions to create nine different styles, which is considered a unique and chic way of playing in the audiophile community. 


Click to refer to English translation for everyone


Although the frequency response curve of audio can provide a preliminary reference for users in choosing IEMs, it is not the only standard for measuring the quality of IEms. Due to differences in test conditions, instruments, and environments, there may be variations in the curve. Therefore, selecting a pair of IEMs that one likes, and combining it with their actual situation, is the most important factor. In summary, the MS5 features with 1 Dynamic Driver 4 Balanced Armature Drivers design and the introduction of multiple frequency response curves provide users with a better audio experience which is one of the reasons why this product has received so much attention and favor.


We chose to use a 3.5mm cable


Firstly, the 3.5mm jack is the most widely used headphone jack specification on the market and has excellent compatibility. Secondly, before product development, we conducted research on Hidizs users and found that they preferred to use a 3.5mm cable, so we chose a 3.5mm cable in the overall configuration. Of course, during the product development process, we also listened to a lot of user feedback and suggestions, including suggestions to use 4.4mm and 2.5mm cables, so we later provided a 4.4mm upgrade cable for users to choose from. We value user feedback and requirements and will listen to everyone's opinions in advance during future product development and upgrades, designing and developing products that better meet all needs.


In conclusion, the controversy surrounding the Hidizs MS5 IEMs is due to differing opinions on the product's capabilities and price. However, the positive reviews from reputable sources and the explanation of the product's features and craftsmanship demonstrate the value and quality that the MS5 offers at its price point. Ultimately, the decision to purchase the MS5 or any other IEM should be based on personal listening preferences and needs rather than just price. Hidizs is dedicated to continually developing and improving to meet the expectations of HiFi audiophiles and enhance their audio experiences. Your feedback is important to us, so please do not hesitate to contact us through any channel with any further questions or concerns.


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