At the high-level meeting on the development of the communications industry held on July 8, Xi Guohua, honorary chairman of the China Communications Enterprise Association, pointed out that the communications industry has both opportunities and challenges. In his speech, Xi Guohua pointed out that the current and future period of development of China's communications industry is facing both rare opportunities and many difficulties and challenges. The development of the communications industry is related to the country's political security, economic security, cultural security, national defense security, and social stability, and must be highly valued. He focused on four aspects of technological development: First, the development of smart terminals + cloud computing will replace traditional industries and produce a disruptive revolution. Second, with the development of cloud computing and the Internet of Things, the development of the next generation Internet and mobile Internet needs further attention. Third, the national broadband plan has been highly valued by countries around the world, especially the United States, Europe, Japan, and South Korea. Relevant Chinese authorities have reached a consensus on the significance of implementing the "Broadband China" strategy, and the "Twelfth Five-Year Plan" related information. Fourth, the development of the Internet of Things is booming, but overall it is still in its infancy.
Aviation headphones are used in airplanes, cars, subways, etc., to facilitate passengers to listen to audio and watch videos to enjoy a pleasant journey.
The aviation earphones are mostly disposable, so the structure is extremely simple, the shape is relatively ordinary, the materials are small, and the annual usage is very large. The number of inquiry can reach several million or even tens of millions, so the cost is very cheap. earphones can cost as little as 10-15 cents. Therefore, they are disposed of as garbage after used, and passengers could take it away for personal use.
Styles can be divided into on ear headphones and in ear earphones.
Functional difference: power, impedance, and sensitivity etc. are also different. Airplane Headphone is mainly customized according to the equipment, place and user used. For example, 1 customer might require 300 ohms impedances , and other customers may need 32 ohms. For adults, the sensitivity may reach 100DB or more.To children, the sensitivity may be around 85-90 DB.
In addition, aviation headphones are not all disposable ones. Some first-class cabins need to be equipped with headphones with good noise reduction, sound quality and functions. So the price will be much more expensive.
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