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 Streamer and 4x PCM1794 DIY DAC - MiniDSP
Welcome to this dedicated WEBsite for a DIY HIGH END DAC, intended for CD players and can be used as well as Line Amplifier !
My DIY USB DAC - Use Arduino for Projects
Build this Simple but amazing USB Audio interface for only $5 - Tataylino.com
DIY USB Stereo Headphone Amplifier | Hackaday
Review] Diy HiFi Supply Cleo USB DAC review - [English]