This would do what you are asking...perhaps. It is the most basic form of mixing a audio signal. It is called a summing amplifier.



WE would need to get Trevor in on this conversation or perhaps Jim understands this well enough to speak to the issue.

Billy

This will give you a better idea how headphones work.

https://mynewmicrophone.com/an-in-depth-look-into-how-headphone-cables-carry-audio/

Last edited by Planobilly; 07/10/21 11:15 AM.

“Amazing! I’ll be working with Jaco Pastorius, Charlie Parker, Art Tatum, and Buddy Rich, and you’re telling me it’s not that great of a gig?
“Well…” Saint Peter, hesitated, “God’s got this girlfriend who thinks she can sing…”