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弱电基础教学：背景音乐喇叭怎么接线？一台功放能接多少个喇叭？
《跟着老赵学弱电》视频更新了。本期视频老赵将教你学习天花喇叭怎么接线？背景音乐功放怎么选择？额定电压功放和额定电阻功放都有什么区别？这些问题看完本期视频，都能解决。喜欢的记得点赞，收藏，转发！！
弱电基础教学合辑10/63
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