From the old "Chinese drama base camp" to "Variety drama box", Changjiang Theater will be opened to the public in December this year. The flexible and free stage model of the "black box" in Changjiang Theater is equipped with the world's most cutting-edge 3D sound audio system. The stage can be combined for any form of performance, not only offer space for drama’s innovative interpretation, but also break the boundaries of actors and audience, to bring the audience a new immersive sensory experience. 3D sound audio system eliminates the "Sweet Spots" limitations of the theatre. Live performances can be picked up by live and real-time control of the sound path. 3D sound reinforcement system can also be preset to be compatible with common sound reinforcement system applications, such as stereo sound reinforcement, left center right sound reinforcement, etc., to meet the traditional live performance requirements.