Hi, why I want an additional amp? I thought it would be a good idea for future upgrade of my headphones and wasn't really sure, if - at the moment - my iBasso is strong enough for that. I know that the Onkyo DAC-200 is a little bit older, but it is quite good recommended in some reviews. So I...

Hi everybody, my personal portable gear consists actually an iBasso DX50, a FiiO e12 (Montblanc) and Sennheiser Momentum 2 (additionally a pair of Beyerdynamics DX 160 IEM). I am planning to update my equipment in the next couple of month: 1. I am thinking of updating my portable amp to an...

Hey everyone, in the last years I spend some time reading books and blogs about hi-fi, amps and headphone,s but I am still new in high end audio. I have a lot of questions and hope to learn and contribute. Best regards. Dennis

Hi, so what opamps would you recommend? I have Rev. 8.0 of the board HY-A-U808-A. I read some pages earlier that someone replaced them with BB OPA267(?).. Are these fully compatible (I'm sorry, but I'm still new in this field). Thanks a lot!