The nRF5340 Audio Development Kit (DK) includes hardware and access to software components, hardware design files, applications, and documentation.
The nRF5340 Audio DK contains the nRF5340 Audio development board (PCA10121) with plastic casing.
Figure 1. nRF5340 Audio DK
Hardware files
The hardware design files, including schematics, Printed Circuit Board (PCB) layout files, bill of materials, and Gerber files are available on the nRF5340 Audio DK product page.