HeadAmp Gilmore Lite Mk2 Class A Headphone Amplifier
How to Choose a Headphone Amp | The Master Switch
Does anyone else use their receiver as headphone amp/dac? My Denon x4700h sounds pretty good add a nice amount of Bass, and has plenty of power to drive my Sennheiser HD6xx to
Sennheiser HD 800 Headphones: Receiver or Headphone Amp? - HomeTheaterHifi.com