I cannot provide direct links to download standalone "voice pack" files, as these often involve redistributing copyrighted game assets, which is a violation of intellectual property rights. However, I can guide you on how to switch the language using official methods or how to safely use mods to alter the game's audio. If you own the game on PC (Steam, GOG, or the Microsoft Store), you often do not need a separate download. The English voice files are usually already included or can be downloaded officially through the platform settings. Gray Save File - Pokemon Ash