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　　　In recent years, the number of singer talent shows in China has gradually increased, and the shows have been loved by the

　　　　1. Pay attention to the details of the distribution of the audio ground wire　　1. Some circuits have both small signal inp

　　　1. Signal source　　The function of the power amplifier is to amplify the weak level signal source and output it to the spe

　　　　Professional stage sound will play a vital role in singing performances, artistic performances, and activities. In order

　　　　Professional audio systems are composed of many different functional devices. After designing the audio system according

　　　　Professional audio systems are composed of many different functional devices. After designing the audio system according