Hi, I am still new to this and I don`t know much about technical details. However, is there a way to modify the IBasso D7 so that it can be portable and compatible with Iphone? I have been using the D7 for 5 months and I am very impressed. I will be traveling a lot in the upcoming months so...

Any other advice?

@ Vaed: Thank you. I am looking into these threads now  

I've just lost my DDM1 during a trip recently and I'm thinking about upgrading. On the overall I enjoyed my DDM. However, the fit was terrible and so does isolation. The build was flimsy and the cable was very thin. I broke my first pair of DDM once (I suspected that it was due to cable failure)...