Audio Expansion Module for Raspberry Pi Pico, Incorporates PCM5101A Low Power Stereo Decoder, 3.5mm Audio Jack, Dual Channels Speaker Headers, Use I2S Bus, Headphone / Speaker Output Concurrently
Audio DAC for Raspberry Pi | Elektor Magazine
Archimago's Musings: DIY: Raspberry Pi "Touch" Audio Streamer (2020) and RoPieee - US$160. Spectral tilt, educational articles, and anti-audiophoolery...
Pirate Audio: Line-out for Raspberry Pi - PiShop.ca
How to play sound and make noise with your Raspberry Pi - Raspberry Pi
Raspberry Pi delivers great multi-room audio
The Raspberry Pi 4 | HiFiBerry
Recording Stereo Audio on a Raspberry Pi — Maker Portal
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
How to Record Audio With the Raspberry Pi - Circuit Basics
Raspberry Pi delivers great multi-room audio
Audio Sound Card HAT Board Speaker Kit for Raspberry Pi Zero 2 W WH A 3 B Plus 4 | eBay
Modular Raspberry Pi based platform lets you build pro audio systems