It is class D amplifier, with cs8683 chip made by Zhixin Semiconductor: http://www.szczkjgs.com/UploadFiles/fujian/4906/CS8683.pdf
The photo shows a class D chip amplifier (another forum thread). https://www.diyaudio.com/community/threads/coffee-money-xy-aph15-15w-bt-5-0-amp.383499/#post-6970109
https://aliexpress.ru/item/1005004608135444.html?gatewayAdapt=glo2rus&sku_id=12000029813201366
https://aliexpress.ru/item/1005004608135444.html?gatewayAdapt=glo2rus&sku_id=12000029813201366
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We too, you tell us NOTHING.Pls I will need to know much about this amplifier. It's a mono 130w amplifier, and I will like if I can use two of it for stereo setup.
No datasheet, no specs, no power supply, not even a direct link to seller page 😉