The NL-NAU85L40B is the evaluation board for NAU85L40B. This board is developed for users to quickly understand the characteristics of NAU85L40B. For development flexibility, this board has a built-in microphone input and digital interface.

Nuvoton has also developed a USB control board, NU-NAUSB212C, which provides I2C control interface and digital audio interface signals. Along with the software NuvotonAudioGUI, users can quickly set up and use NL-NAU85L40B on their PCs.