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　　　　1. Normally no sound of the power supply　　Test whether the microphone has no sound, no sound but no music accompaniment,

　　In 2015, SPACE was born. With its subversive product concept and cross-age product creativity, it redefines the cultural so

　　　　Damping Factor - Definition　　What is the damping coefficient? Refers to the ratio of the rated load (speaker) impedance o

　　Hai Ritai Group is committed to the in-depth development of urban entertainment projects, hoping to make the city more colo

　　　　The sound quality is mainly affected by four factors: space conditions, equipment matching, speaker placement and fine-tu

　　ID-X CLUB draws on the core value of the world's famous music festivals, and invests heavily to build a super nightclub