The exercises are designed to help you transition from understanding simple podcasts to following native speakers in daily life.
If you bought the book second-hand and the code has already been used, you can often purchase a standalone digital license from NT2.nl to regain access to the online components. de opmaat audio free free
If you bought a used book but need the audio, email Boom customer service. Explain your situation. Sometimes, they offer a discounted rate to purchase just the audio tracks (e.g., €10) rather than the full digital package. The exercises are designed to help you transition