Hello Nettcan1111 !
Hopefully someone here had direct experience with the Ride Command amplifier addition.
My setup is a little different...
In general, if your ride command has audio output connections, then connect them to your Amplifier/Speaker assembly.
If the special Wet Sound adapter is needed, then connect this to your Amplifier/Speaker assembly.
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Was the question also regarding how to connect power the Amplifier and wire the Speakers?