have you test it with IEM similar to shockwave impedance . shockwave 3 impedance is 20. so did you test it with IEM with similar impedance or less to see if there is hissing ???

i have shockwave 3 earphone and want to buy amp/dac but i am stuck between this and oppo HA2 not the s/e one. there isn't much of a price difference since i am getting oppo ha 2 on sale but mind it it is not the SE one.. so price aside which one is better and do not hiss. because hissing is a...

hi  i bought shockwave 3 few weeks ago. now i am planning to get oppo ha-2 not oppo ha-2 se... i want to ask do these iem hiss with those??   p.s cuz i am getting oppo ha-2 on sale.. 150$ cheap then oppo ha-2 se.