My gear: Sony NWZ-A15, SMSL iDEA, Topping D10, Massdrop THX AAA 789, PMillet NuTube Hybrid, Fiio A1, Sony MDR-1A, Massdrop/Sennheiser HD-6xx, Massdrop/Hifiman HE-4xx, Beyerdynamic DT770 (80 Ohm), Audio Technica ATH-MSR7, Etymotic ER3XR, Brainwavz B400, ifi iEMatch, Trinityaudioengineering Atlas