I went and bought a "Sony wireless headset pro" and it solved the problem better than I could have imagined. I knew it had a wolfson DAC inside, so I knew the amp would be good, but the bundled earphones actually work well! Im using them instead of my £40 IEMs at the moment. They are quit...

Basically, I bought a new android phone recently, selling my ipod thinking "I can have one device for everything".  However, the phone (a Sony Xperia Tipo) has an unbelievably terrible internal amp. Im now in the process of trying to salvage a useable MP3 player from it. At first I looked...