If the theater in the film when the sudden accident, the speaker suddenly became a dumb, sound film into a silent film, as the audience will certainly be disappointed, as the theater business will have to suffer from the economic loss of the audience refund. How to show the audience the kind of film blockbuster sound effects that meet the auditory high-fidelity, but also reflects the obvious sense of direction, surrounded by a sense of telepresence, but also with the screen sound and tacit understanding, the screen source Mobile sound should also be accompanied by a corresponding sense of movement, so that exposure to digital audio in the user, as in person at the magnificent scene. Then, before buying theater theater speakers to first understand the sound characteristics, which is collected from the online forums out.