The audio fragments in De Opmaat are not just "extras"—they are integral to the 10 thematic chapters that cover everyday situations like making appointments, health, and work.
There are several legal ways to practice your listening and pronunciation for free. Legal and Free Audio Resources for De Opmaat Learners De Opmaat Audio Free
While "free downloads" found on unofficial sites can be risky or illegal, there are several legitimate community-driven resources: The audio fragments in De Opmaat are not