How to Record Audio With the Raspberry Pi - Circuit Basics
Audio Sound Card HAT Board Speaker Kit for Raspberry Pi Zero 2 W WH A 3 B Plus 4 | eBay
Archimago's Musings: DIY: Raspberry Pi "Touch" Audio Streamer (2020) and RoPieee - US$160. Spectral tilt, educational articles, and anti-audiophoolery...
Build a multi-room audio system with Raspberry Pi — The MagPi magazine
DIY Guide] Raspberry Pi Network Music Streamer With Touchscreen - Headphonesty
Raspberry Pi audio streaming 101 | Darko.Audio
Pisound – Raspberry Pi Sound Card & MIDI Interface
For those using an LCD controller board to convert an Arcade1Up cabinet, instead of using the audio jack on the Raspberry Pi, use the audio out on the controller. There is a
Build a home music system with Raspberry Pi — The MagPi magazine