Headphones: AKG K501's (w/K601 pads), Fostex T50RP (modified), KZ ZS5 v1, E-MI CI-880, E-MI CI-630, Urbanfun Hybrid, KZ ZS6, Tin Audio T2, KZ ZS10, KZ ZS10 PRO, UISII CM5, Urbanfun YBF-ISSO14, Blon BL03, CCA C16
Headphone Amps: FIIO Q1, Earstudio ES100
Sources: IPod Nano 3G, Huawei Nexus 6p, Desktop Asus ROG X570 Crosshair VIII WiFi w/ SupremeFX S1220 is combined with the venerable ESS® ES9023P DAC.