This is my first electronics project so after much reading and comparing other A/B switch schematics I decided to jump right in. I am trying to supply two rooms (with two speakers each) with audio from a receiver that only has room for two speakers (left and a right). So basically i'm trying to split two lefts and two rights from one left and one right. I need to be able to switch between the two rooms or have them both on at the same time. The latter is a deviation from any other A/B schematic I have come across thus far and is the reason i'm really asking for insight. I am pretty sure what I have drawn up will work but I am also pretty sure there is an easier way to accomplish it. I'm hoping I can cut it down from two 4pst switches into two dpst switches or something but I cant figure out how. I understand that there will be a volume drop if I have both rooms playing at the same time but unless it is drastic i would rather build a passive splitter. Hopefully someone here will point out any flaws in my design or let me know of a way to trim it down a bit. Please don't hesitate to ask for clarification and I look forward to your responses.
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