Song Dynasty case sharing: Song Dynasty Shandong Qingdao Vocational and Technical College stair classroom sound reinforcement system case sharing. There are two occasions in this case, the case sharing of Song Dynasty lecture classroom and Song Dynasty sound reinforcement system. The use characteristics of the stepped classroom 1 are that it has a large area and requires long-distance and loud sound reinforcement. Therefore, we have equipped the left and right main speaker, and adopted an additional linear array speaker on one side. The high-quality speaker unit configuration provides sound reinforcement with smooth treble, transparent midrange and full bass. The Song Dynasty stage echo speaker ensures that spokespersons and singers can clearly hear their own voices and musical accompaniment. We have equipped two stage mobile echo speaker. In order to ensure direct sound, we designed only auxiliary sound filling columns in the middle and back courts, which are hung on the wall of the middle and back courts to ensure more uniform sound field coverage. In addition to the speaker, we also equipped power amplifier, power sequencer, digital audio matrix processor, wireless microphone, antenna amplifier, provided by the Snick brand. Song Dynasty Lecture Room 2, Case sharing of audio reinforcement system. Song Dynasty Stairroom 2 needs to meet the needs of classes, meetings, speeches, and reports. The Song Dynasty Song Dynasty speaker for this occasion adopts a full-frequency sound reinforcement speaker. The high-quality speaker unit can provide clean, clear and penetrating sound reinforcement. In addition, we also equipped an amplifier provided by the Snick brand. Song Dynasty (Snik) Song Dynasty Sound has provided complete and timely technical support to Song Dynasty schools and customers. The speaker has excellent use effect and first-class sound quality, which has been highly recognized and appreciated. Tahoma