You are better off using a cable splitter than actually modding your NES. Both methods will give you the same sound, not "stereo" though. Both outputs will give you mono sound only.  But if you feel like  modding it anyway, here is a link that can help you with that.
   
www.raphnet.net/electronique/nes_mod/nes_mod_en.php

Good luck!
Fernando
reveriesbymoonlight <reveriesbymoonlight@...> wrote:

does anybody know how to go about modding the NES with rca outputs for
it to play in stereo? instead of mono...

thankie

Alexis

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