So basically I am just getting into the Audiophile world... I own the Sennheiser IE80 and the the Sennheiser HD 558... And the Audio Technica ATH M50x... And few others from Bose and Beats (Older ones) I like tight crisp bass which I can feel... Not overpowering though... And I like my music loud...! So I decided to upgrade to something better than the ****ty sound output of my S4... I was thinking if I should get a DAP or a Portable AMP + DAC... (I have heard that the Portable AMP + DAC is a better option as you get more for what you pay....) After getting past that... Which one? (Any suggestions would be appreciated) My Budgets around $200... Do let me know if I should save and get a better one...! I was thinking about the Fiio E17k Alpen 2, Fiio E07k, Fiio E17 for the AMP + DAC.. And as for the DAPs... I have NO IDEA...! Thanks a lot for your help!