Play the day’s vocabulary and grammar tracks. Shadow (repeat aloud) quietly. The train becomes your language lab.
Ask Publishing’s OTO Navi (音ナビ) app is the official solution. Available on iOS and Android:
Verdict: Good for offline listening within the app. But not true "drag-and-drop" MP3 portability.
For countless learners of Japanese, the jump from beginner (N5) to upper-beginner (N4) is the first real "wall." You know your hiragana, katakana, and basic greetings. Now comes the grind: te-forms, plain past, conditional "ba," and a flood of new vocabulary. Among the most trusted resources for this level is the Nihongo Sou Matome N4 series. nihongo sou matome n4 audio download portable
But there’s one golden phrase that unlocks true, flexible study: "Nihongo Sou Matome N4 audio download portable."
In this article, we will break down exactly what this means, why it matters, how to legally obtain portable audio files for the Sou Matome N4 series, and how to turn your smartphone or laptop into a mobile Japanese listening lab.
Before you start your next study session, check these boxes: Play the day’s vocabulary and grammar tracks
Once these are done, you are ready to master N4 Japanese anywhere: on a Tokyo subway, a beach in Bali, or your living room couch.
Once you have the files on your device, follow this organization system:
| Book | Recommended Folder Name | Typical Track Count | Use Case |
|------|------------------------|---------------------|-----------|
| Listening (聴解) | SouMatome_N4_Choukai | ~45 tracks | Shadowing, dictation |
| Vocabulary (語彙) | SouMatome_N4_Goi | ~30 tracks | Pronunciation drills |
| Grammar (文法) | (No audio usually) | N/A | Reading only |
| Kanji (漢字) | (No audio usually) | N/A | Writing practice | Verdict : Good for offline listening within the app
Pro Tip: Use a music player that supports playback speed control (e.g., VLC, Audipo, Podcast Addict). Slow down to 0.75x for hard sentences; speed up to 1.25x for test simulation.
The Nihongo Sou Matome (日本語総まとめ) N4 series consists of 5 books:
Each book contains audio for listening comprehension exercises, pronunciation examples, and answer keys.
Important: The audio is not on a CD anymore. It is provided via online download from the publisher’s website (Ask Publishing).
If you have the legal access link, here is the best way to make your audio "portable" and study-friendly: