I see, thanks! Looks like I won't be needing an amp, but are there any other combinations that provide better sound quality over the J3?

Hey guys!   I've been trying to find some good jet effect settings that will pair up well with my grado sr60i, I listen mainly to ambient, downtempo, " chill out music ", and the like. Tycho, Slow Magic, Nujabes and other similar artists are among some of the guys that I listen to. If anyone...