1. Audio source issue: Check if the audio source is working properly and if the connection is correct. You can try using another device (such as a mobile phone, MP3 player, etc.) as the audio source f...MORE>>

　　1. The audio system should not be exposed to direct sunlight and should also be kept away from heat sources such as heaters. The normal operating temperature for audio equipment should be between 1...MORE>>

　　Sound systems play a crucial role in our daily lives, enhancing our auditory experience and allowing us to better enjoy music, movies, and more. However, for many people, how to purchase and use speak...MORE>>

　　 Recently, the relevant regulatory authorities, in accordance with the "Management Measures for the Recognition of High tech Enterprises" (Guoke Fa Huo [2016] No. 32) and the "Guidelines for the Ma...MORE>>

　　May 20th, 2022, is a special day. This day is not only a day for people who love each other to commemorate each other, but also a good day worth celebrating and unforgettable for COV's new media profe...MORE>>