扬声器 声音非常清晰，音量也足够大，但明显缺少低音。####[['扬声器', 'MULTIMEDIA_DEVICES#OPERATION_PERFORMANCE', 'positive'], ['扬声器', 'MULTIMEDIA_DEVICES#OPERATION_PERFORMANCE', 'positive'], ['扬声器', 'MULTIMEDIA_DEVICES#OPERATION_PERFORMANCE', 'negative']]