Feliks Audio Envy (Performance Edition) Flagship Tube Headphone Amplifier (Open Box) Finish:Oak Hi-end specially-tuned frequency response curve

Hi-end specially-tuned frequency response curve

and a high input resistance of up to 3

and a spring-steel headband

Transform to 3

Developed and produced by Azla

Feliks Audio Envy (Performance Edition) Flagship Tube Headphone Amplifier (Open Box) Finish:Oak Hi-end specially-tuned frequency response curveClass A Single ended transformer coupled, balanced amplifier, powered by the legendary 300B tubes Performance Edition includes : Full Music 300B power tubes UPOCC (single crystal copper) signal wiring ENVY HEADPHONE AMPLIFIER The Envy amplifier is a Single Ended class A headphone tube amplifier, built around the famous 300B tubes, with transformer coupled output, designed to handle any kind of planar magnetic or dynamic headphones with an impedance