[extrafuzzyllama]

hi all i bought the Tiayun ZERO dac/amp
i read i can install two opa627 on a brown dog adpater to replace the stock opa2604
 
i read i can get free samples of the opa627, but i am not sure which exactly is the correct model because i saw a few different opa627 on the TI site.
 
and which brown dog adapter is the correct one to use?
 
thanks