One of my concerns is I have read compatibility issues regarding taking a digital out from an ipod to the Fiio? If I go line out to USB in of the E17 is will take an analogue signal and the E17 will act as an amp only? I don’t know what possessed me to buy Apple…

Hi Guys,   First post and not the most clued up on phones so hoping you can offer me a little guidance. I own a pair of Grado SR80i and shall be getting a pair of Grado 325is for Christmas and want to get the best from them. I heard Grado’s are pretty easy to drive but wouldn’t mind trying a...