Headphonia and motorcycle riding.
Motorcycle riding and watch collecting.
Senn. HD650, Q701, Grado custom, Fisher WA02, Audio Technica, Sony MDR-1, Sony MDR 2000, AKG Tiesto, Beyerdynamic DT 1350, Pioneer SA100, Supberlux HD688. Beyer T90, HIFiman HE400i and a few more I can't recall.
Numerous earphones (about 25).
Headphone Amp Inventory:
Schiit Vali& Magni, Aune Panda S2, Fiio Mont Blanc, SMSL sAp 4s, RSA Mustang P51,Fido E17, Gustard H10, Cayin HA-2i,Beresford Bushmaster Mk II, Aune B1, FiiO Q1 and a couple others.
Mac PC running iTunes with BitPerfect, MacPro with same, iPod touch and iPhone 4S. Cayin M2 and M5, Shanling M3, FiiO X1and A&K Jr.