Hello, been lurking here for months now, reading and researching on how to make my own unit(s). Here are the final photos of my GBZ and a few in-progress photos. Lots of learning for me here, including how to use GPIO for controls vs Teensy, all the wiring fun, using USB DAC instead of PWM and patie...

Having the same issue. Did you ever fix this?

It seems like you can never get perfect sound with PWM audio. At least I haven't been able to. I found it bearable on my builds. If you are using the adafruit mono amp it also has a small pot that can be adjusted, also try playing around with the alsamixer in emulationstation. I've also added hot k...