Looking for a new IEM around the 30-80$ mark (can raise to 100 if necessary but would rather not).   Source will be mainly my iPhone and MacBook Pro (no amps or dacs), and will be primarily used at work and home.    I'll be listening to EDM/Electronic, with a various mix of Indie, Kpop, and...

So, I got a pair of SRH750DJ's which I use with a Macbook, I want to be sure that I'm getting the best I can out of both. I might be as well getting better phones in the near future so I need an amp that would also work with higher-ends phones.   I was wondering if a iBasso D12 or D4 would...