Luohe the morning exercise audio equipment monopoly wholesale Henan Jiaming Yang 1503 +71780 +75 www.69139139.com 1399 +229 +631 Zheng * City Market Milan sun, Building 5, Unit 2, 2086 video image is not normal professional sound engineering, video The transmission distance is generally longer than that usually signal after video processing and distribution, to give more than one display device, the intermediate links and more, may be due to different causes poor quality of the video image, and affect the viewing experience, so should be processed 7 wireless microphone sound unstable majority of sound engineering are now equipped with a wireless microphone, but a considerable number of poor condition due to the installation and commissioning improper, especially in live performances, the wireless microphone will directly affect the The quality of the performances, so this is a problem can not be ignored. Portable sound called sound card, mini stereo, multimedia audio. After the rapid rise in recent years because of its multiple functions with radio player, speakers, hot in the market. The large number of portable audio brand on the market, sound card brand through search engines to rough statistics, at least more than 100 manufacturers. Sound card quality material, technology and other aspects, showing uneven phenomenon. Sound card on the market range, brand assortment. Jiaming Yang 1503 +71780 +75 www.69139139.com 1399 +229 +631 Milan sun, Zheng * City Market Building 5, Unit 2, 208