Don't want to spend $1100 on a Shaw system

[gregzz4]

I have a DVD-rw and a DVD
I have 2 cable boxes

I have one cable box connected to a switch that goes back to the the recroom TV, then goes upstairs to another switch box
This is where I'm losing the audio signal

I've tried to find a booster for it, but to no avail

I can give more info on my wiring if needed ...

Any help is appreciated