loudspeaker group

例句：

1. 1. The loudspeaker group is responsible for broadcasting the news.
   扬声器组负责广播新闻。
2. 2.The loudspeaker group was formedto provide better sound quality.
   扬声器组成立是为了提供更好的音质。
3. 3. The loudspeaker group has been upgraded to supporthigher resolution audio.
   扬声器组已被升级以支持更高分辨率的音频。