We should all get some stock in Johnson and Johnson, their Bandaid division is really taking off. Marky Mark and the Funky Bunch, just buy a good 8 channel amp at this point. My father always said, what is the use of doing something at all if you aren't going to do it right. If you need more speakers, group them together with a volume control. BTW-How are you going to control the four independant zones around the house?