For Jazz, I'm very happy with Fiio/Jade JD7, Sennheiser IE200, Ikko OH300 and Kefine Delci as long as you have them matched with the proper eartips, ARTTI T10 is a bit "lean" and "thin"...
In the ultra budget department, I like Truthear Zero Blue (not very comfortable though), 7Hz Salnotes Zero...