2 layers48.9 × 41.9 mm

C64-Stereo SID
tebl/C64-Stereo-SID
There are many Stereo SID boards, but this one in mine... Add a second SID of the same type or newer substitutes for adding stereo audio to your system...
21 parts23
KiCad boards from 2 GitHub repositories tagged “stereo-audio”, the most starred first; open any of them in PCBKit.

tebl/C64-Stereo-SID
There are many Stereo SID boards, but this one in mine... Add a second SID of the same type or newer substitutes for adding stereo audio to your system...

CedarGroveStudios/PCB_PCM510xA_I2S_DAC
An I2S stereo audio DAC with an internal master clock PLL and a charge pump for direct-coupled ground-centered audio output.