Past: Fiio X1, Cowon D2, Clip/+/Sport, Ipod Classic, Rio Karma, ZXR, e11K, e12a, oDac, HD700, k712Pro, X2 Fidelio, Aurvana Live!2, Sony MDR-1A, Sennheiser CX-95, Soundmagic E10, HyperX Cloud, Ep-630, KZ ZS3, 1More Triple Driver, Fiio F9.
Present: Sound Blaster x7 >Fiio FH9, 7hz Timeless, iBasso IT01, Fiio FH1, **** UEs, KZ ATE, ATR, Takstar HI-2050, M-Audio AV42, Benjie T6, Clip Zip, PFE112, Koss Porta-Pro.