Very basic, quick build TA2022 amp.
You can get a Lepai TA2020 amp off Ebay very cheaply. They sound good straight out of the box but to get the full potential a little hot rodding goes along way 🙂
Marked on the PCB are all the component values. When I started to look at the components they didn’t match up, i began measuring with my multimeter… Then I started replacing things……… (click pic).