Use raspberry pi with passive speaker for video projector



I would like to use the external audio of my video projector with my passive speaker.

Passive speaker are used with an amp2 and raspberry pi 3B+.

My video projector has an audio output.


My question is simple: How to stream the audio to the raspberry as there is no audio input in the raspberry pi 3B+/Amp2 ?

Do I have to switch my amp2 to a DAC+Pro and a HiFiBerry AAmp60 ?

So the audio will come from video projector to the DAC and the output audio will go to the AAmp60 and so the passive speakers ?


Thanks in advance for your help.


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