Ancillaries used during testing Source/s: Mac Mini, MacBook Air, iPod Touch Software: Mac OS 10.11.4, Audirvana Plus 2.5.3, iTunes 12.3.3 DAC/s: Arcam irDAC-II, Schiit Bifrost 4490, Schiit Gungnir MB, MacBook Air (onboard), iPod Touch (onboard) Amplifier/s: Arcam irDAC-II, Schiit Mjolnir 2, Yamaha...