Abstract: This is the precedent in China that the technique for the design and application of theadjustable reverberation is used in a multifunction,large scale auditorium for dramatic show,live telecast.This article introduces the requirements of the various aspects of acoustics,architecture,decoration,mechanics and electricity.It also describes the acoustical,structural and transmission system of theadjustable sound absorber and the result of the reverberation chamber test is also presellted.