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Question: I just ordered JBL es80 speakers and a kam kxr 300 amp.(cables?)

I just bought a pair of jbl es80 speakers and a kam kxr 300 amp and was wondering what cables I should buy so they will work.Also is it possible to play music from macbook via wifi, once the speakers and amp are hooked up.I'm gonna have this set up in my living room.Also I'm getin internet fitted soon, so will this help with as above?.I have active speakers in my bedroom but am a bit confused with pa speakers via amp?,.cheers.ross