> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/banana-pi-bpi-w2-with-realtec-rtd1296/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bananapi.gitbook.io/banana-pi-bpi-w2-with-realtec-rtd1296/chapter1/bpi-w2-audio-interface.md).

# BPI-W2 Audio interface

**BPI-W2 Audio interface**

BPI-W2 support 1 aduino out.

also support 2 MIC in for audino.