I have an amp and i dont know what it is can anyone help me identify it becomes i cannot find it anywhere online

[drmelon]

All i know is that it is a columbus 20wb 40amp. But i cant seem to find it anywhwere online.

 

[Alrainbow]

Have you opened the back to look at names on schematics and printed on boards

 

[drmelon]

Have you opened the back to look at names on schematics and printed on boards

It just says AC 230V 40W max and a bunch of warnings

 

[drmelon]

Have you opened the back to look at names on schematics and printed on boards