AK4493 DAC Board

Don't know if there is such a thing. If you want a well designed AK4493 board, probably better to go with something like the JL Sounds version (IIRC, they are in Bulgaria).

With Chinese dac boards without a case, you can be pretty sure the AK4493 chip is real. Other parts, especially brand name passives, are often the cheapest available or look-alikes faked to appear to be more expensive parts.

Therefore, if you want the best sound quality it can take some work and and possibly some money to put parts in there you would prefer to have. You can often improve the the circuit design too. Then again, some people are perfectly happy with the boards as they are. Don't know what your preference might be.