a cd player the source
CD播放器的源
以上为机器翻译结果，长、整句建议使用 人工翻译 。
You can connect a CD player or another external audio source to the AUX IN jack, and use the Key Transpose function to change the pitch of the song upward or downward by as much as one octave.
你可以连接CD播放器或其他外部音源的日内瓦插孔，和使用的关键传输函数改变音高宋向上或向下高达一倍频。
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