Raspberry Pi Zero, audio output via I2S – lucadentella.it
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Coolwell Waveshare USB Sound Card USB Audio Module with Speaker for Raspberry Pi/Jetson Nano, Driver-Free, External Audio Converter,Recording And Playback Support : Amazon.co.uk: Computers & Accessories
Build your own multi-room audio system with Bluetooth, Airplay, and Spotify using Raspberry Pis
![HELP] Multi-Channel Audio Output from USB - Raspberry Pi Forums](https://i.imgur.com/HhNlOvC.jpg "HELP] Multi-Channel Audio Output from USB - Raspberry Pi Forums")