If connection to a source with RCA connectors as found on my home audio equipment, an adaptor may be used.

如果在家用音响设备中有RCA连接源，适配器也可使用。

youdao

There are 2 HDMI inputs with one having an additional RCA audio in.

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It has 2 composite and S-Video, 2 component video and a PC input via VGA (all with RCA audio in).

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The Model Two makes use of the latest audio technology, including front and rear RCA pre-outs, subwoofer output and a built-in 25 watts x 4 channel RMS power amplifier.

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