There is a stereo seller at no.7 Aksu South Street. Because June Day Audio & Video Store in Aksu City is located at No.7, South Street of Aksu City, its business scope includes audio sales, audio-visual products rental and so on. Audio refers to a set of audio system that combines electrical equipment to produce sound. The development history of audio technology can be divided into four stages: electron tube, transistor, integrated circuit and field effect tube.