I won't need very high volumes. So, as far as I understand, I don't really need an amp to use with QC15. For portability purposes, would you recommend an IEM for me? Budget is around 100 USD, 150USD tops. I mostly listen pop, jazz, country.

Hello. I am a newbie and this is my first post. I just ordered a PD and I am pretty excited since this is my first real investment on good sound. I am currently using iPhone 7+ and a Bose QC15 headphones. sound level is not so high since i'm not using an amp. I think I need an amp to fully...