1. In the sound expansion system, 3 15 inch three frequency speaker loudspeakers are used as the left middle right sound channel loudspeakers. The horizontal coverage angle is 90 degrees, the vertical coverage angle is +20 degrees, and the -30 degree is adjustable. 10 10 inch full frequency loudspeakers are selected as the surround channel speakers. At the same time, 2 single 15 inch bass loudspeakers are used to play the signals in the middle bass channel of the movie.

2. all loudspeakers are driven by a matching power amplifier.

3. The sound amplifying system is controlled by digital audio system processor. The loudspeaker is controlled by 2 2 into 6 digital processors. These processors are integrated with output level controller, filter, parameter equalizer, expander, delay device and so on. The processor parameters can be input to the data of the speaker, not only to the maximum extent. The performance of the loudspeaker, the control and debugging of the audio system is simplified, and it can also be programmed and stored for different use functions, and can be invoked at any time according to the use of the scene.

4, in addition, the system also configured the DVD player for playing the movie, and the professional digital decoder, so that the 5.1 channel digital movies have a good playback platform.

The film projection system is recommended to configure two projectors, while two machines work at the same time when the film is played. When one of the projectors fails, the other can be remedied in time to ensure the smooth play of the film.