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Now noise-canceling headphones begin to be liked by people, and the future market of noise-canceling headphones is also very big. (Bluetooth Hat Headphones, Bluetooth Headphones, TWS Bluetooth Earbuds, Mini Bluetooth Headset, Bluetooth Earbuds, Wireless Earphones, Earbuds Earphones, In Ear Earphones)
"Digital silencer earplugs," which people are not familiar with, was recently introduced by Jin Gong. Most people will think that earplugs do not need to be divided into what numbers and simulations, but "digital silencer earbuds MM1000" is actually a headset device with a noise (ambient ambient sound) elimination function. It is driven by a No. 7 battery, which is said to reduce the ambient sound by about 90%, but it can hear people's beck and call and station broadcasts and other necessary sounds.
Looks like headphones, lightweight and portable
The appearance of the MM1000 is the same as the in-ear headphones used for listening to music. The color is white and the length of the cord is 85cm. One end of the cord is connected to a host equipped with a battery and a noise reduction circuit. The side of the host has a groove for retracting the cord. The weight of about 33g when no battery is installed. Even if the battery is attached, it is very light, so it is convenient to carry around.
There is only a battery box and noise reduction switch on the main unit. The appearance is very simple. With a 7-section alkaline dry battery can work for about 100 hours. Using one section of No. 7 Eneloop nickel-metal hydride rechargeable battery can work continuously for about 60 hours.
Can eliminate noise and air conditioning noise in subway cars
Turn on the switch on the main unit and the noise reduction function starts to take effect. At this point, the noise suddenly becomes very small. This function internally generates a phase-inversion sound wave that cancels out the ambient noise waveform to eliminate noise, which is the same as that of an ordinary noise reduction earphone. In short, it's the removal of the music player from these products.
Put on the earplugs, turn on the main switch to turn on the noise reduction function, and the ambient noise is reduced.
This product has a clear effect on noise reduction such as metro driving sound, air conditioning sound, outdoor vehicle noise, and wind noise. For example, outside the car, the sound of the engine and the sound of the wind are so small that it is almost impossible to hear, and the rustling sound of wind blowing on the leaves is relatively easy to hear. The effect in the subway is also very good. It reduces noises such as the roar of the vehicle and feels very quiet. It can also focus on reading in the subway. Air-conditioning noise is almost inaudible, and the effect of reducing ambient sound is very good.
When you are in the office, you can feel 70 to 80% of the volume of the sound when other people are talking while gently inserting the earbuds. This product is very suitable for those who want to wear earplugs to make the surrounding quiet, but also want to hear vocals, worry about listening to subway radio and greeting customers. In order to concentrate on their work, many people wear headphones and listen to music in the office. At this time, someone can say hello and cannot respond. It can cause confusion to the other person. With digital silencer earbuds, there is no need to worry about this. However, the effect of this product is not very good for people who are concerned about other people's ability to concentrate on their work.
In addition, noise reduction headphones that listen to music sometimes hear Sha Shasha's white noise after turning on the noise reduction function. This product will also emit a small amount of white noise, but it is not very obvious and generally not noticeable.
Suitable for consumers who want noise reduction but do not need to play music
The author is very concerned about the difference between the noise reduction effect of this product and ordinary noise reduction headphones, because someone should want to use this product instead of earplugs.
The author tried to compare several noise reduction headphones on hand. These products can also eliminate environmental sounds very well. The noise reduction effect of the MM1000 is similar to the in-ear noise canceling headphone of 10,000 yen or less. The vocal resolution varies from product to product, such as the MM1000, which is easy to hear vocals, and it also has products that dramatically reduce vocals.
The advantage of the MM1000 is that it is able to obtain the silence of a noise reduction earphone of about 10,000 yen at a price of about 5,000 yen. Another feature is that battery life is longer than noise reduction headphones. Noise-reducing headphones also have a product of around 5,000 yen. The MM1000 is more expensive than these noise-reducing headphones, but the key to consumer choice is not to completely "not listen to music."
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