Psu - Speaker Question!

[WeatherMan]

Hi peeps,

I have a speaker I would Like to connect to my psu, and put it in the front of case.
I have been told on another forum that it is possible, so I though I would try it.
What I have is a speaker motherboard, it has to black wires going into a transformer and then it connects to the plug wires.
I am going to connect the PSU leads to my Plug leads (Brown {live} and blue {neutral}) and then to save blowing the board, have the plug leads going into the speaker boards transformer. So it can transform whatever voltage the psu has made it to to what the speaker preffers.

Now I know that the Red lead is Live and 12v
2 blacks are ground
Yellow is 5v

What I want to know is that If I connect my live Brown lead to the Red what lead do I need to connect the Neutral ( Blue) lead to? ( the black ground or the 5v yellow?

Also for the Line in on the board I have red and white leads but the Black has snapped, is this the ground lead? if it is do I need it?

Thanks

Edit ( oh yeah don't worry about the magnetism part, I have that sorted out )

 

[The_Other_One]

...what the hell are you talking about? Could you please explain what connecting a speaker to the PSU is suppose to do?

 

[sniperchang]

Ya, what are you trying to do, make a speakers system inside your case? And why would you want to do that?

 

[holyjunk]

he is trying to take the temperature down by giving the pc some soothing music those darn water coolers arnt working for him

 

[Altanore]

I don't know what effect you will get hooking it up to the power supply... besides blowing it =/.