Hello everyone in head-fi. Would like some advice in regards of using an iPod touch 5th gen as a music player, and also some recommendations other than using an iPod for my portable usage. Currently running on a first gen iPod touch along with a xduoo-xp1 amp, to AKG K550/K267 for my music...

K550 / K551 has a slightly wider soundstage compared to k267, however with lesser bass. both of them have good mid and highs, though k550 is brighter   For the bass, on studio (on k267), the bass is already stronger than k550, from my impression. When switch to the biggest bass, it does...