how to connect rca plugs to my lg tv

[ducati]

I have a lg 32lb550b tv and want to connect external speakers using rca plugs. The tv only has optical digital audio out.

 

[getochkn]

Then you need an optical to rca convertor........

 

[ducati]

Then you need an optical to rca convertor........

 

[ducati]

Then you need an optical to rca convertor........

 

[ducati]

Then you need an optical to rca convertor........

Will any one do or are there different types?