Whistle Rock Audio USB-DAC - Surface Mount DIY Kit from Whistle Rock Audio on Tindie
USB Streamer and 4x PCM1794 DIY DAC - MiniDSP
THE ORRONOCO AUDIO DIY: DIY Portable Size USB DAC TDA1541 Headphones Amplifier
CIRMECH PCM2706 HI USB Soundcard DIY Kit USB DAC SPDIF android compatible MicroUSB windows without Driver Plug and Play WM 017|android usb dac|dac androidwindows windows - AliExpress
USB DAC 2 - Hi-Resolution System
DIY HiFi Forum
USB cable build - DIY Audio Projects - StereoNET International
My DIY USB DAC - Use Arduino for Projects
JEDAC - yet another take on a DIY high-end USB Audio DAC
USB DAC PCM2906 with Headphone Amplifier
A DIY approach to distortion measurements for audio amplifiers – (mis) Adventures in Hi-Fi