TinyPICO I2S Audio, I2S Microphone & 3.7W Stereo Amplifier Module with Built-in MicroSD card reader

2020: Proto-driver and example applications for Teensy MCUs interfaced to the Wolfson WM8960 Audio DAC with a headphone and stereo power amplifier.

A beautiful stereo headphone amplifier and a delightfully lo-fi speaker

A budget focussed DIY valve/tube headphone amplifier that is so simple it can be easily wired without a PCB. This repository contains circuit schematics/diagrams for a variety of compatible valves/tubes.

A current drive headphone amplifier

S/PDIF DAC Headphone Amp for Raspberry Pi Pico

Headphone Amplifier breakout board using TPA6132A2RTER

Symmetric In-Ear XLR Headphone Amplifier

Custom headphone amplifier with optical s/pdif input.

Simple 12V 0.5A headphone amplifier convergent with the CMoy's design and philosophy.

CSR64215 + PCM5102 + PreAMP(Dual OPA227)

Headpone amplifier with TPA6120A2