Beilarly professional stage audio equipment manufacturers undertake the audio upgrade project of Jingan Theatre, using 12 Beilarly brand left and right channel linear array full-range speakers, 4 middle channel line array full-range speakers, left and right subwoofers 4 Only, 4 lip fill speakers, 4 stage monitor speakers, 16 side and back surround speakers, 8 two-channel professional power amplifiers (line array full frequency), 2 two-channel professional power amplifiers (ultra-low frequency), 2 channels 4 professional power amplifiers (side and back surround), 2 two-channel professional power amplifiers (stage monitors), 1 two-channel professional power amplifier (table lips), 2 8-in 8-out digital audio matrix system processors, 2 in 6 1 set of digital audio system processor, 3 sets of signal distributor + power filter, 2 sets of 63A4P 6-channel total output dedicated electric box, 4 sets of 8-channel power timing device, 3 sets of 33U network cabinet, 32-channel digital professional Sound table, and wireless microphone. The sound field of the whole theater is not only evenly covered, but also the sound quality is clear, making the middle frequency round and full, the high frequency is delicate, and the low frequency diving is full of flexibility; to ensure that every corner of the theater can enjoy a perfect music experience.