Knowledge Zenith ED9 has excellent bass, midrange performance. The fit in the ear is comfortable, there is a wide selection of different earpieces. The shape of the headphones themselves also deserves special attention. Used unique technical solutions, due to them and achieved sound quality.
Contents:
The package of the device
Relatively recently Knowledge Zenith used for the packaging of their products less expensive, but visually more solid boxes. Today, the current model for ED9 is a shield-shaped box. Inside there is a special niche of foam, in which the headphones are placed.
Moreover, the quality of packaging, equipment, these headphones can compete even with more expensive models. For example, with Sennheiser CX 200 Street II.
Like more serious analogues, the ED9 is equipped with interchangeable cables for sound transmission. They are made of oxide-free copper. That allowed to minimize the microphonic effect, other negative features inherent in wired headphones.
And the removable wires themselves have a different appearance, different finishing. This manufacturer equips many headphones with a second pair of wires. For example, the model GR.
One pair of wires is equipped with compensation holes, while the second pair simply has no such feature. The extra pair is a little shorter and the surface is polished. At the same time there is a widening conic exit. There is a filter of foam rubber, there is no bypass.
Headphone design, material of manufacture
The housing of each headphone is made of metal and the surface is glossy. This leads to a lot of fingerprints appearing on it during use. The housing itself is quite large, which makes it relatively uncomfortable to use in winter, if you have a headgear.
There is a special compensation hole. The grids in the headphones are made of metal. Which is especially important for the in-canal models. Cleaning from wax is done quickly, without difficulty.
A distinctive feature of the model is just the absence of designation of the left, right earphone. And not only the inscriptions are missing. But also special in this case tactile marks. In turn, the wire of medium length, has the effect of memory.
Advantage or disadvantage - each user decides for himself individually. The divider, as well as the L-type connector are made of rubber plastic. That significantly increases the durability of these nodes headphones.
Despite the relatively low cost, the appearance of the headphones is solid, they look significantly more expensive than their real price. It is important to understand the difference between the ED9 and GR models. It is possible to use the cable from the newer version on the older headphones. On the contrary, it will not be possible to use the cable from the GR on the ED9.
The design of the ED9 headphones is interesting, unusual. Even in comparison with such imposing models of the same price category as Dunu DN-12. They have a cone-shaped design.
Comfort of use, ergonomics
The ease of use of these headphones is a rather individual question in general. It is due to the shape of the body, as well as its overall dimensions. It is necessary to carefully familiarize yourself with the design before purchasing. At the same time, the situation can be corrected by the different types of attachments available in the kit. It is possible to easily pick the optimal size for a particular user.
Sound characteristics
The Knowledge Zenith ED9 model is positioned as a budget solution for music lovers. But despite this and the low cost, the headphones are excellent in all frequency ranges. Particularly noteworthy is the low frequencies.
Deep bass is absent, yet the bass is good. Resonance is excellent. With a small lift of frequencies it is possible to detect the middle range, there are pull-ups - they are quite dynamic.
At the same time, the middle frequencies and the top are not clamped at all. What allows you to form a clean, fully transparent sound. There is a wide stage, creating a small effect of presence right inside the listener's head.
It should be noted that all the mentioned advantages refer only to the sound drivers with compensating holes. In the "deaf" type, these features are not so pronounced.
It should be noted that the use of different sound sources has little effect on the quality of listening to music in headphones. "Warming up" doesn't make any drastic changes, there is not any striking difference.
Some difficulties arise with the device when playing vocals. At the same time, the headphones can easily cope with the playback of virtually any existing genre of music.
The ED9 model from Knowledge Zenith has a number of advantages, but you have to take it into account - you should buy them if you have a small budget to replace the standard headphones that come with the device you buy. In its price segment the model is clearly one of the leaders. But it makes no sense to compare it with more expensive, especially at 3-4 times the cost.
The product makes a pleasant impression due to the manufacture of the housing made of aluminum, the headphones are heavy - which makes them quite a solid purchase. The audio channels included are great for classical music lovers.
For professional musicians this model is obviously not suitable. But for ordinary fans who want to buy headphones with a pronounced bass for a small price - Knowledge Zenith ED9 will be a good solution.
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