As a terminal device for audio frequency, the speaker sounds like a human voice, which largely determines the quality of a set of sound. It is no exaggeration to say: Choosing a good pair of speakers is the key to a set of sound success, and it must not be a bit sloppy. Howeve
Frequency range refers to the range between the lowest effective playback frequency and the highest effective playback frequency that the sound system can play back; frequency response refers to the sound pressure generated by the speaker with frequency when an audio signal out
Recently, Nanchang City, Jiangxi Province officially moved the urban landscape lighting renovation project and the east bank (three phases) project of the Minjiang River. It plans to invest 54 million yuan to replace the existing traditional light source with LED light source to enhance the urban l
First, ACLED is not a fundamental change in the device. That is to say, there is actually no LED chip for the working mechanism of the alternating electric field. The ACLED that is now available is a special arrangement of internal chip sets, which is only a change in the interna
Model NO.: patch cord(VAP-A07) Wire Core Material: Tinned Wire Certification: CE, ISO, RoHS, CCC, UL
In the second week after the National Day, China will switch to LED lighting and life application seminars in Shenzhen under the government's policy. This is the 7th time in China's LED industry, the most concerned LED industry conference. Under the policy of promoting environment
The international high-end brand Philips TV, once indefinable, will soon be transformed into an authentic Chinese brand. The European Commission decided on the 9th to approve the Dutch electronics giant Philips to sell television brand sales and market development in the Chinese market to
0 Preface The digital responder control system plays an irreplaceable role in various knowledge contests held by many factories, schools and TV stations. The electronic responder designed based on EDA technology has been widely welcomed by its low price, safe and reliable, and convenient to use.
The National Development and Reform Commission issued a document on its website on the 13th that the National Development and Reform Commission, the State Electricity Regulatory Commission, and the National Energy Administration jointly issued the “Notice on Clearing Preferential Ele
The calendar turned to 2010, in order to gain more market share, Shenyang's major lighting market is gearing up, ambitious, or increase operating area, or expand in different places, or the main service card. Zhangshi Lighting City, North Station Lighting City, Xingshun Lighting City, New North
During the "Twelfth Five-Year Plan" period, Guangdong Province will invest 10 billion yuan to support the development of 11 types of strategic emerging industries such as high-end new electronic information, LED industry and new energy vehicles. At the same time, competitive arrangements
On December 14, 2010, Vice Governor Li Chengyun led the provincial government's deputy secretary-general Cai Jing, provincial science and technology department director Peng Yuxing, provincial economic and trust committee deputy director Jin Xin, provincial intellectual property bureau deputy d