If you prefer not to download bulky files, the audio is also available on popular streaming platforms: : The full audio tracks for Nihongo Sou Matome N4 (Grammar, Reading, Listening) are available as a podcast/show on Spotify SoundCloud
You can download the Nihongo Sou Matome N4 audio materials from the following link: [insert actual download link] Nihongo Sou Matome N4 Audio Download