Additionally, the user might need help with technical steps on how to download the audio once they have access to it. For example, using a podcast app, converting video to audio, or transferring files to a portable device. But I have to be careful not to suggest any methods that could be used for piracy.
: You can find various Sou Matome audio collections hosted on the Internet Archive . While often categorized by level, you may need to search specifically for "N4" to find the corresponding listening tracks. nihongo sou matome n4 audio download portable