I’m still trying to replace my current system. I currently have Beyerdynamics dt990 edition. I am probablly gonna get the HIFIman xs edition to upgrade. Then, as the title suggests, i dont know what hardware to get……. please help…

Hello all. I want to buy a new portable dac/amp. I have an iPod touch version 6 for my car. I have an old apple click wheel that works hooked up to an amp, cant rember the name. The click wheel is so old its blocked. So, i still use it but cant add music to it. I cant believe it still runs...