At the Meizu MX4 Pro conference, the EP-21HD also appeared as an official match. As an upgrade of the EP-21, the EP-21HD continues the previous generation of pure white design, the impedance reached a terrible 128Ω, and also used a brand new Diaphragm. As a 129-yuan mobile phone, the EP-21HD is in full swing.
At the Meizu MX4 Pro conference, the EP-21HD also appeared as an official match. As an upgrade of the EP-21, the EP-21HD continues the previous generation of pure white design, the impedance reached a terrible 128Ω, and also used a brand new Diaphragm. As a 129-yuan mobile phone, the EP-21HD is in full swing.
In terms of shape design, EP-21HD is actually an EP-21 color-changing plate, which only changes from gray to white on the surface of the cavity. The cavity has eight sound holes, so you need to pay attention when wearing it to avoid the sound changes caused by the blockage. In addition, the EP-21HD still does not have a sponge cover, and there is no targeted design for wearing. The wearing is not stable and it is tired for a long time.
For objective testing, we used the CRY6151 electroacoustic device tester, which is used for both in-ear and flat-head plugs, using IEC318 and IEC711 artificial ear respectively to obtain more accurate data. CRY6151 electroacoustic device tester is Ji Gao Electroacoustic's third-generation electroacoustic test system can test frequency response curve, sensitivity, impedance, signal-to-noise ratio, resonant frequency and other related parameters. According to the type of earphone and actual use, we will test the frequency response curve and impedance separately. The corresponding test items are explained by the experienced headset engineers and possible comments. It should be noted that the instrument, test method and individual are different, and the test results may differ from the manufacturer's published data. (Popular point, this can Seen as the sound quality running points.)
Engineer Penny's point of view: Meizu EP-21HD's frequency response curve is relatively smooth, from the frequency response curve, the mid-low frequency is slightly larger but the transition is more natural, and the flat head plug wearing factor makes the listening performance relatively balanced. The frequency does not have too much fluctuation, the overall frequency response curve performs well, but because the impedance is relatively high, the sensitivity is relatively low, it is not particularly easy to drive, and a relatively high voltage is required to get a good effect. In addition, the frequency response curve is slightly smooth in 2khz to 4khz. Raised, vocal performance will be better.
In terms of subjective experience, we will carry out the detailed experience of the headset after the corresponding downtime, and invite different types of editors and experiencers to carry out different matching experiences. Because of the front end, wearing, sound source, taste, brand belief and listening concept The difference between different experiencers may vary, and the experience of the experiencer only represents his personal feelings, and does not represent objective, absolute and fair.
Although the EP-21HD is almost identical in appearance to its predecessor, the EP-21, it is not a horizontal line in terms of sound. The EP-21HD is much higher in sound quality.
In combination with the MX4 Pro, this "suit" is matched in the sound direction. It can be felt that Meizu has spent a lot of effort on this combination. Although the EP-21HD has a resistance of up to 128Ω, the MX4 Pro itself. It is not a fuel-efficient lamp. Under its powerful thrust, the EP-21HD is basically "fed". We get a high-resolution, clear-sounding sound style with low-frequency sound.
Compared with the average mobile phone and its plug-in, the MX4 Pro+EP-21HD has a qualitative leap in quality and listening. The sound details, high-frequency extension and sound field size of the EP-21HD driven by the MX4 Pro. Is not the general mobile phone combination can be compared, for a 129 yuan headset, get such a sense of hearing personally think that it is value for money. And to say that the lack of EP-21HD, for many users It may be that the sound is too thin, the vocal sound control is not good enough, and the low frequency is also slightly lacking. It is not a good choice to listen to the male voice.
In addition, Meizu does not have a sponge cover in the packaging of EP-21HD, which is very inappropriate for a flat head plug. With the sponge cover, EP-21HD can get better sound envelopment and low frequency. The high-frequency glitch will also improve. Compared with other headphones of the same type, I only have a HiFiMAN ES100 with the same high-resistance flat plug type. This earphone has a more terrifying 150Ω impedance in the MX4 Pro. Under the impetus, the quality of EP-21HD is still much lower than that of ES100, especially the mid-low frequency quality difference is especially obvious. Of course, the difference between the two is also obvious. And using EP-21HD with other mobile phones, it shows The sound seems to be not quite right, some thrust is not enough, some low frequency is loose, it seems that EP-21HD is tailor-made for MX4 Pro.
Low frequency: The low frequency of the EP-21HD is quite good. Because it is not an in-ear design, the low frequency dive is not so easy to be felt, and the EP-21HD is not the kind of common earphone with a big word route. The low frequency is less. The texture is not bad, the rebound speed is very fast, but the dive is not deep. When listening to music, this low frequency is easily covered by the high frequency or the outside sound.
IF: The mid-range of the EP-21HD is a bright spot. The overall mid-range of the EP-21HD is brighter. This also makes the vocals very close. When you enjoy the songs of the singers who are brighter than Celine Dion or Whitney Houston, they feel special. Obviously, the vocals are very bright and powerful, but they are well controlled. This is that the EP-21 is far worse than the EP-21HD. As for the delicate and soft vocals of Faye Wong, the performance of the EP-21HD It's not bad, but the distance will be farther. In general, this intermediate frequency is very good, very smart, very bright, and has a very good interpretation of female voice. As for male voice, Westlife's voice performance is more than MJ's voice. Ok, in general, more than 70% of the vocals will be nice.
High frequency: Due to the strength of the intermediate frequency, the high frequency of the EP-21HD has to be used as a supporting angle. The overall extension of the high frequency is not bad, but it is dark, so people who expect the refreshing and crisp high frequency may be disappointed, the EP21HD is high. The frequency can only be counted as a whole for the whole.
Resolution and resolution: After all, there are about a hundred plugs, so the resolution of EP-21HD can't be compared with the high-end plug, which means that the overall sound of EP-21HD will not have any graininess, singer's The sound of ventilation is basically not expected. The resolution of the EP-21HD is probably to separate the accompaniment from the vocals, and not to mix the various instruments and vocals of the background music, but that is the only way to do this. However, the vibrating sound of the guitar strings in the California hotel is clearly beyond its capabilities.
Sound field: Thanks to the open design, the EP-21HD sound field is very broad, without any "boring" feeling, but the distance between the instrument and the human voice is closer to the ear, and the sound field has no three-dimensional feeling, just like a ring-screen movie. The depth direction is average, but for this price earplug, you can't use the flagship standard to ask for it. Based on this, the EP-21HD's sound field performance is qualified, at least without chaos.
Front-end matching and easy-to-push: It is estimated that there are very few people who buy the EP-21HD earphones separately. More are used as the MX4 Pro's splicing. Meizu naturally also has a heart for this official match. The sound is quite nice and sound-resistant. Although the quality of the EP-21HD is also a qualified one hundred yuan plug level, but this combination really has a very good performance, if you want to put the EP-21HD on other mobile phones The impedance of more than 100 ohms means that there is a certain requirement for the thrust. It is necessary to turn the volume up to about 15% larger than the normal version of the EP-21 to obtain a similar loudness.
Potential: If the EP-21HD is equipped with an amplifier, the quality will be improved, but the overall improvement is limited, the sound separation will be slightly better, but if the amplifier is not properly matched, it may make the already bright mid-range brighter and brighter. The intermediate frequency is not necessarily a good thing for listening, so the EP-21HD can be put on the market, but it is more picky for the amplifier. The result may not be as good as replacing the better headphones or directly using the MX4 Pro with the effect.
Summary: The quality of EP-21HD is undoubtedly very good for the matching of a mobile phone. Meizu has a style of old-fashioned music player manufacturers for its combination with the sound of its own mobile phone. The combination of MX4 Pro and EP-21HD For most of the pop music-based pop music has a very good interpretation, and it is commendable that the EP21HD does not fall into this price. Many other plugs pursue the low-frequency sense of the cliché, the low frequency is just around the end, may not be so scratching at first. However, if you appreciate it carefully, the tuning of EP-21HD still has a flavor.
As for the value of the purchase? If you have a MX4 Pro and need a cheap and easy to use practical headphones, then the EP-21HD is your best choice, if it is other thrust mobile phones, then you should try to measure you The mobile phone has the ability to push the EP-21HD to a volume large enough.
Although at the Meizu MX4 Pro conference, the EP-21HD is more like the positioning of the supporting role of Hi-Fi sound quality. But in actual audition, Meizu MX4 Pro and EP-21HD are the best match, no matter Is the high impedance of the EP-21HD or the tuning of the two, there is a feeling of mutual dependence.
Of course, such mutual dependence seems to be too hard, so that the high impedance of the EP-21HD is not enough to push in other mobile phones, or the listening is not good, and the Meizu MX4 Pro has similar problems. Of course, as an official match The practice of Meizu is also reasonable and convincing.0
As a design for mobile phones, EP-21HD also designed an integrated line control, which can adjust the volume and play and listen, and its sound quality performance, the price of 129 yuan alone is quite good, not to mention the package price 99 Yuan. Of course, EP-21HD is quite general in wearing, no sponge cover is attached, and the wearing comfort is reduced.
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