Earphones:

• Shure se215
• Sony MH755

Headphones:

• Koss Porta Pro
• Grado sr60
• Sennheiser HD 6XX

Headphone Amp:

• Schiit Magni 3
• Valhalla 2

Source:

• Schiit Modi 3
• Iphone Dongle
• Bifrost MB