Comprei a ZK502MT para testar e tive uma surpresa

In this video, I provide a complete analysis of the ZK502MT amplifier board and show the tests I performed on the bench. I evaluate the build quality, circuit performance, switching frequency, power supply filtering, and also the Bluetooth functionality, which exhibited noise during testing. If you are thinking about buying the ZK502MT, watch until the end to learn about the pros and cons and decide if it is really worth the investment. Keywords: ZK502MT, ZK-502MT, amplifier board, amplifier module, class D amplifier, ZK502MT review, ZK502MT test, ZK502MT analysis, Bluetooth with noise, noise in the amplifier, DIY audio, electronics, applied electronics, electronic maintenance, audio project, stereo amplifier, switching frequency, LC filter, audio quality, electronics bench, oscilloscope, amplifier board comparison, power module, Bluetooth amplifier, technical evaluation, audio repair.