... : Black , Silv 2012 NEW AUNE T1 24bit/96kHz Tube Amplifier USB Decoder &6N11 Standard Version Description: Appearance Introduction: ... external power connector, dual power supply, large-capacity capacitor filter and more effective to reduce power supply noise ... capacitors, four precision chip resistors, sound special ENLA electrolytic capacitors, tube, USB port, RCA terminals are gold-plated material, ...