My main setup for office use is: iPod classic -- iBasso T3 -- PK1, and as I like the forward mids/"Grado" sound, this setup has served me well for my music which is 60% rock, 20% hip-hop, 20% others, mostly in AAC 256 kbps VBR. (Can go all loseless ALAC but I can't hear the difference).
Eg. The Black Keys, The White Stripes, Shiina Ringo, Yeah Yeah Yeahs, Metric, Jay-Z, etc..
Recently there's a lot of construction going on and I've switched to my...