Sound equipment special for teaching multimedia

• Main Authors: LU YANHUI, WANG TIE, BI TIANXIA, LIU JIE, ZHAN ZHONGLI, CHEN BAOSHENG
• Format: Patent
• Language: English
• Published: 07.01.2015
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

The utility model relates to sound equipment, particularly to sound equipment special for teaching multimedia, and aims to solve the problems of high cost, large occupied space, and inconvenient maintenance caused due to the fact that conventional sound equipment for teaching multimedia is composed of multiple devices. The sound equipment consists of a square groove, a stabilized power supply circuit board, a power amplifier circuit board, a loudspeaker, a volume adjusting turn button, a power line, an audio line, a microphone, an audio plug, and a power plug. The stabilized power supply circuit board, the power amplifier circuit board, and the loudspeaker are mounted at the groove bottom of the square bottom. The opening of a paper cone of the loudspeaker is flush with the groove opening of the square groove. The groove opening of the square groove has an outer edge which is perpendicular to the groove wall, and the four corners of the outer edge are provided with screwed holes.