Can you do this with wires/a single Arduino? I'd worry about getting that working, and then figure out what data you need to send to the remote Arduino to replicate the LED behavior there. You won't be sending audio data, that is for sure.
Can you do this with wires/a single Arduino? I'd worry about getting that working, and then figure out what data you need to send to the remote Arduino to replicate the LED behavior there. You won't be sending audio data, that is for sure.