How to improve AC power

Hi, I live in Indonesia, where AC is 220VAC, what should i do to improve the power supplied to my system thanks.
hahahah, thanks psych, bigkidz, thanks, i'll try to understand it, then i'll ask again
do we have to install two dedicated AC and two dedicated ground for each cd player and one for the power amps?
The Cardas Powerbox was a wod encased powwerbox marketed by Cardas for deales. I can send you a pictrure...