WINGONEER 2x20W 12V Digital HiFi Audio Stereo YDA138-E Class-D Amplifier Board

oh hey everyone welcome back to the bench today I have a Class D amplifier board to review it's based on the Yamaha yta 138 i C's want to do another Yamaha board because in the past video someone sent me a Yamaha board and I went through the test and everything and I was pretty happy with it so I figured ok I'll try another Yamaha board and see how good it is so I went on eBay found this board and ordered it in and a couple weeks later it floated in from China and it's a white ei 138 as I say but they managed to go ahead and scrape the numbers off of it for some reason perhaps it was to be used in an amplifier kit or something and they didn't want people knowing what the actual chipset was so it couldn't be copied usually copy-protection is the only reason they would go through the effort of scraping the numbers off but anyway they did it has an output filter type designed and we have t