Changed it from 230 to 115 while it was playing< it then made a funny noise and switched off< now it won' turn on

I'm thinking about installing a home stereo system in my house. Does anyone have any ideas about an economical system that can power about 6 speakers?

I have two mtx amps hooked up in my car. I had my system for over a year and one day my 60amp fuse blows. Now I checked around to see if there was any short around my wires and I couldn't find anything. I replace my 60amp fuse and a day later the 60 amp fuse went out again. What can cause this to...

I am in the process of building a new home. I have done all the plumbing, heating and working on the electrical. After I complete the electrical I am considering installing a whole house stereo systems (ceiling and wall mounted speakers). I'm having a difficault time trying to located...