[heyysanadiyom]

first of all , I am a new user in head-fi  ,  my name is Mustafa from İstanbul 

 
my english not bad but I can understand everything whis is not musical term 

anyway , here is the my problem ,   there is a ( low-high) gain but I want to make medium gain in my fiio x3 player so How can I do it ? 


thanks ...