Alexa Everywhere (remote mics and speakers)

How would I make a group assistant lets say for (any group chat) with a separate computer with a Smart Speaker hooked up to take voice actions from anyone in chat? So anyone can say hay (Smart Speaker) play this.

I would like to make the output from others microphones (the sound) go directly to the smart speaker input microphone so commands will be registered and the speakers output will be on the microphone so everyone will hear the speaker play the music. I don’t care if I cant hear sound from the device just to make it so anyone in the group chat can activate it.

I know Smart speakers know when they are called even with music playing so it should be fairly simple to do. Maybe a little soldering on a smart speaker or one that has this function already.

I already have it set up to where I can play my MP3 player or local radio but, there is a next step in my project so others can change what is being played by voice commands with a Smart Speaker.

Does anyone have any ideas on how to get this to work.