At the beginning of the year, I went to Japan. On the streets of Tokyo, I saw that the earphone model worn by people was Sony's MDR-1A. As for why this headset model is so popular, the reason is also very understandable, nothing more than the price. Appropriate, comfortable to wear and popular with three popular sounds. In the headset of thousands of dollars, Sony's MDR-1A can be said to be a very recommended product. The predecessor of the MDR-1A was the MDR-1R. My friend bought the MDR-1R at the earliest. I was very impressed by the extremely comfortable wearing experience, and the follow-up was an upgraded version of the MDR-1A. It is also a perfect replacement for the MDR-1R, better sound and better materials, which is the change brought by the MDR-1A.
Later, the Sony audio strategy began to change, the new definition of the 4.4mm balanced interface was thrown, and the WM1Z and WM1A were born as the flagship player products. At the time, I raised two concerns about the Sony 4.4mm balanced interface. First, the 4.4mm balanced interface at that time only stayed on the flagship player, which was not conducive to promotion; secondly, there were not enough headphones for Sony to support the 4.4mm balanced interface at the time, at least there were too few products in the parity category, although the upgrade line could be replaced. The way to support balanced output, but does not mean that ordinary users will have this upgrade awareness.
For the first point, Sony has already launched the lower-priced ZX300A as a weapon to promote the 4.4mm balanced interface. At present, the ZX300A's sales are still strong, and the price/performance ratio is quite high. The love of fans. For the second point, Sony showed the sword of MDR-1AM2.
In fact, some time ago, Sony also upgraded the original MDR-1A, the model is called MDR-1ABP, but it is not so much an upgraded version, in fact, one of the MDR-1A's headphone cable has been replaced with a balance line, and the rest is not Making changes, I can understand that it is to fill the gaps in the entry-level balanced headsets before the MDR-1AM2 is released. Now, the launch of MDR-1AM2 gives consumers a better choice. At the price, the MDR-1AM2 with an official price of 1899 yuan is 200 yuan more expensive than the MDR-1ABP. The difference is also in my opinion. Return the fare.
So what is the improvement of MDR-1AM2 compared to MDR-1ABP?
In short, it is actually three points: lighter weight, more comfortable wear and better sound.
I rarely describe a headset, but the MDR-1AM2 wearing experience really deserves such an evaluation. The wearing experience here is not only caused by the light weight. The MDR-1AM2 earmuffs are also optimized compared to the MDR-1A. The former earmuffs are more elongated and give the ears a sense of wrap. Better than the latter. (This is based on my own subjective feelings. Some colleagues in the editorial department think that the earmuffs of the MDR-1A are more suitable for his ears. The earmuffs of the MDR-1AM2 are narrower. It is recommended to try it personally.)
In addition to the external, the internals of the MDR-1AM2 have also changed. The most intuitive is that the MDR-1AM2 has adopted the Fibonacci pattern grille. This technology was first introduced with Sony's flagship ear MDR-Z1R. Together, Sony officially said: "It can reduce the sound coloring and display high-resolution audio."
Sony's officially designated player for the MDR-1AM2 is the ZX300 series. The addition of the 4.4mm balance line makes the MDR-1AM2 a headphone designed on a balanced output. It is best to use a balanced connection to listen. In other words, the effect of the balanced output on the sound is removed from the sound field. The improvement of the resolution and the thinning of the sound are also changes. For the MDR-1A series, which is too focused on music, it is necessary to adjust the sound. .
Taking the front-end ZX300A as an example, the MDR-1AM2 performs much better on the balanced side of the ZX300A than the single-ended one. The sense of hearing will give you a sense of quality. Although the low-frequency is weaker than the MDR-1A, the strength is still Maintain the original level. The biggest difference in the sound of MDR-1AM2 is reflected in the middle and high frequency. In the past, the mid-high frequency of MDR-1A was faint due to the influence of low frequency, and the vocal position was far away. The focus of the overall sound was on the depiction of low frequency. The MDR-1AM2 highlights the performance of the mid-high frequency. The vocal position is close and the high-frequency brightness is the sound characteristic of the MDR-1AM2. However, the sound of MDR-1AM2 is not without faults. For example, MDR-1AM2 is prone to irritating sound when listening to music with more electronic instruments. It is not pleasing to the sense of hearing. Instead, MDR-1A will not appear. Such a problem. Of course, the reason is also very easy to understand, MDR-1A is originally a sound-sounding earphone, think of a stimulating sound? difficult.
Later, the Sony audio strategy began to change, the new definition of the 4.4mm balanced interface was thrown, and the WM1Z and WM1A were born as the flagship player products. At the time, I raised two concerns about the Sony 4.4mm balanced interface. First, the 4.4mm balanced interface at that time only stayed on the flagship player, which was not conducive to promotion; secondly, there were not enough headphones for Sony to support the 4.4mm balanced interface at the time, at least there were too few products in the parity category, although the upgrade line could be replaced. The way to support balanced output, but does not mean that ordinary users will have this upgrade awareness.
For the first point, Sony has already launched the lower-priced ZX300A as a weapon to promote the 4.4mm balanced interface. At present, the ZX300A's sales are still strong, and the price/performance ratio is quite high. The love of fans. For the second point, Sony showed the sword of MDR-1AM2.
　 
From the model point of view, I believe that you can not guess that MDR-1AM2 is the next generation version of MDR-1A, and the most direct difference between the two generations is that MDR-1AM2 comes standard with 4.4mm balance line, combined with ZX300A It can be said that it is the most suitable balance kit for Sony audio. In fact, some time ago, Sony also upgraded the original MDR-1A, the model is called MDR-1ABP, but it is not so much an upgraded version, in fact, one of the MDR-1A's headphone cable has been replaced with a balance line, and the rest is not Making changes, I can understand that it is to fill the gaps in the entry-level balanced headsets before the MDR-1AM2 is released. Now, the launch of MDR-1AM2 gives consumers a better choice. At the price, the MDR-1AM2 with an official price of 1899 yuan is 200 yuan more expensive than the MDR-1ABP. The difference is also in my opinion. Return the fare.
So what is the improvement of MDR-1AM2 compared to MDR-1ABP?
In short, it is actually three points: lighter weight, more comfortable wear and better sound.
　 
　 
When I received the MDR-1AM2, I sent a microblog that the MDR-1AM2 was lighter than the previous generation. The following commentary accurately reflected the weight of the MDR-1AM2. He said: "More Light? The MDR-1A is already light enough!" Yes, the MDR-1AM2 is really lighter than the MDR-1A. This light will even make you feel when you screw it up. According to official data, the weight of the MDR-1AM2 is about 187g, while the weight of the MDR-1A is about 225g. The difference of 38g makes the wearing experience of the MDR-1AM2 further sublimated. If it is exaggerated, it is Wearing MDR-1AM2 is really the same as not wearing it. I rarely describe a headset, but the MDR-1AM2 wearing experience really deserves such an evaluation. The wearing experience here is not only caused by the light weight. The MDR-1AM2 earmuffs are also optimized compared to the MDR-1A. The former earmuffs are more elongated and give the ears a sense of wrap. Better than the latter. (This is based on my own subjective feelings. Some colleagues in the editorial department think that the earmuffs of the MDR-1A are more suitable for his ears. The earmuffs of the MDR-1AM2 are narrower. It is recommended to try it personally.)
　 
MDR-1AM2 and MDR-1ABP may not find any difference in appearance, but in many details, MDR-1AM2 highlights the purpose of "weight reduction". For example, the MDR-1AM2's headphone case is slightly smaller. Reduced, metal parts are reduced and the head beam material is changed to plastic. It sounds like this, the texture of MDR-1AM2 seems to be lower than that of MDR-1A, but in fact, when I first got MDR-1AM2, I still tangled whether the head beam of MDR-1AM2 is plastic. It is obvious that Sony did not make a plastic sense on the outer casing of the MDR-1AM2, but made the plastic taste of the plastic, which is a compromise solution that reduces the weight and does not highlight the cheap feeling. 　 
　 
　 
I have a silver version of this MDR-1AM2 in my hand. It will be brighter than the black version of the MDR-1AM2, but this time the MDR-1AM2 seems to emphasize the uniformity of the hue, like the red circle of the black version of the MDR-1A. Have been canceled, look good or not, look at the individual. In addition to the external, the internals of the MDR-1AM2 have also changed. The most intuitive is that the MDR-1AM2 has adopted the Fibonacci pattern grille. This technology was first introduced with Sony's flagship ear MDR-Z1R. Together, Sony officially said: "It can reduce the sound coloring and display high-resolution audio."
　 
Can't understand? It doesn't matter, let me give you a popular translation, that is, headphones with this grille can be cleaner and more authentic than headphones with ordinary grille. In fact, the actual sense of hearing, MDR-1AM2 is indeed more balanced than the sound of MDR-1A, the intermediate frequency and high frequency are outstanding, no longer as thick as the MDR-1A, and replaced by a healthier Sound, this kind of change I personally like, of course, if you are a heavy low-frequency control, then maybe the thick low-frequency feeling of MDR-1A you will prefer. Sony's officially designated player for the MDR-1AM2 is the ZX300 series. The addition of the 4.4mm balance line makes the MDR-1AM2 a headphone designed on a balanced output. It is best to use a balanced connection to listen. In other words, the effect of the balanced output on the sound is removed from the sound field. The improvement of the resolution and the thinning of the sound are also changes. For the MDR-1A series, which is too focused on music, it is necessary to adjust the sound. .
　 
Let's just say that the sound of MDR-1A is like adding a spoonful of MSG to the original chicken soup. The taste is really rich, but there is no fresh flavor of the original chicken soup. People with heavy taste may like it. The taste of the food itself is delicious. It has changed, and the sound of MDR-1AM2 is to reduce the amount of this MSG, so that the taste of the food can be better highlighted, the taste of chicken essence will not be overwhelming, and the taste will reach a more balanced state. (Amount... This is not a gourmet article...) Taking the front-end ZX300A as an example, the MDR-1AM2 performs much better on the balanced side of the ZX300A than the single-ended one. The sense of hearing will give you a sense of quality. Although the low-frequency is weaker than the MDR-1A, the strength is still Maintain the original level. The biggest difference in the sound of MDR-1AM2 is reflected in the middle and high frequency. In the past, the mid-high frequency of MDR-1A was faint due to the influence of low frequency, and the vocal position was far away. The focus of the overall sound was on the depiction of low frequency. The MDR-1AM2 highlights the performance of the mid-high frequency. The vocal position is close and the high-frequency brightness is the sound characteristic of the MDR-1AM2. However, the sound of MDR-1AM2 is not without faults. For example, MDR-1AM2 is prone to irritating sound when listening to music with more electronic instruments. It is not pleasing to the sense of hearing. Instead, MDR-1A will not appear. Such a problem. Of course, the reason is also very easy to understand, MDR-1A is originally a sound-sounding earphone, think of a stimulating sound? difficult.
　 
　 
As an iterative model of the MDR-1AM2, the sound style is significantly different from the previous generation. The lighter body and more fitting wear also further enhance the MDR-1AM2's own experience, if you need it everyday. For a long time, audio and video entertainment, then MDR-1AM2 is naturally more competent. 　 
In my opinion, the MDR-1AM2 is a fresh version of the MDR-1A. After opening the sound of a thick thickness, it is as light as possible. In fact, the base of the popular taste remains in the body of the MDR-1AM2, but it changes. A refreshing and elegant white shirt. Indoor Fixed LED Display is a popular product for its high quality, every year sold to at least 80,000 pieces around the world, including Europe, North America, southeast Asia.Compared to other indoor LED display in the market, its biggest advantage is that it can display high-definition images while maintaining low power consumption.Besides, it adopts Die casting aluminum cabinet which is ultra-thin and ultra-light and owns good heat dissipation.Easy to install and maintain and suitable for multiple indoor scenes.
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