I am helping a friend who is opening up a sports bar. I may be in over my head but since i am not getting paid i am not too worried about it. He plans to have 12 in ceiling speakers ( i am looking at yamaha 8" round speakers which i have used before.) It will be used for music and tv sound. I...

I have a few in-ceiling speakers that are currently being controlled by two sherwood 2 channel stereo receivers daisy chained together. The audio comes from my PC. I have limited control over which channels are on via an IR transmitter on the PC. I am planning on adding more speakers to my...