In recent years, the development of mobile phone products has become faster and faster, and most users' consumption concepts have changed from the price-performance ratio of a few years ago to the pursuit of product quality. Homogeneous mobile phones are now difficult to sell in the mobile phone market. In 2012, vivo first launched the X1 mobile phone with HiFi as the selling point. The Xplay launched in 13 made the concept of HiFi mobile phones more popular and made a difference in the sound quality that had not been paid much attention to by people. Since then, more domestic mobile phone brands have introduced HiFi as a key feature to users.
HIFI smart phone price collective diving where is the future of portable audio equipment
HiFi mobile phones are usually equipped with independent decoding and op amp chips, which makes the gap between mobile phones and professional digital audio players in terms of sound quality is gradually narrowing or even overtaking, and now more and more users are paying more attention to portable One of the digital products is one. Nowadays, listening to songs on mobile phones has become a trend. It can completely replace some portable player products such as MP3. One day, it may be possible to replace high-end digital music players.
This idea can be regarded as a very good solution for both users and manufacturers, but the actual market performance does not seem to be ideal. In the past two or three years, the brands that have joined the ranks of HiFi phones have indeed increased a lot. Among them, the domestic technology Internet brands Xiaomi and Meizu have followed up relatively quickly. Since then, established manufacturers such as ZTE and Lenovo have also launched HiFi mobile phone products. But there are not many models that can impress in these products, and the impressive HiFi mobile phone may not be because of the HiFi function.
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KNB1-63 Mini Circuit breakers, also named as the air switch which have a short for arc extinguishing device. It is a switch role, and also is a automatic protection of low-voltage electrical distribution. Its role is equivalent to the combination of switch. Fuse. Thermal Relay and other electrical components. It mainly used for short circuit and overload protection. Generally, According to the poles, mini Circuit breaker can be divided into 1P , 1P+N , 2P, 3P and 4P.
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