Aune S17 Pro EVO Headphone Amp
Class A Stable
Full-Discrete
Fully Symmetrical
Twin JFET
2 Transistors per channel
R2R Volume Control
50 Watt Linear Toroidal Transformer
Aluminium Remote Control
2 Amplifier Stages
https://www.aune-store.com/en/aune-s17-pro-evo_110409_1235/