The Bluetooth wireless speaker is the terminal of the entire audio system, to convert the audio energy into corresponding sound energy and radiate it into the space. Bluetooth Speakers usually consist of speaker, crossover, cabinet, sound absorbing materials and so on. Bluetooth Speaker is a device that converts audio signal into sound. In general, it means that the main body of the speaker or the subwoofer box has its own power amplifier. After the audio signal is amplified, the sound is played back by the speaker itself, making the sound louder.
Advantages:
1: Perfect support for the tablet and mobile phone. The transmission is stable. the distance is generally 10 meters.
2: Miniaturization, fashion, and versatility.
3: The sound quality is delicate and soft. The appearance is more delicate and beautiful.
The sound pressure level of the sound is not too high, and the power received is relatively small.
Bluetooth Speakers Bluetooth Speaker,Wireless Speaker,Wireless Bluetooth Speakers,Portable Wireless Speakers Shenzhen Linx Technology Co., Ltd. , https://www.linxheadphone.com
After the amendment, Dongjing Electronics expects the net profit attributable to shareholders of the listed company to be 6.5-8.8 million yuan, down 20%-45% year-on-year. For the reasons for the amendment, Dongjing Electronics said that first, the company actively explored the market, the market orders increased, and the scale of production and sales increased. Second, the company received government subsidies during the reporting period and recorded the current profits and losses. 
Dongjing Electronics revised Q3 performance forecast, net profit decreased by 20%-45%
On October 18, Dongjing Electronics released the announcement of the revised third-quarter 2012 results forecast. In the "2012 Semi-annual Report Full Text" disclosed by the company on August 22, the company expects the net profit attributable to shareholders of listed companies to decrease by 50% to 80% compared with the same period of the previous year.