- Wire drawing housing, with a transparent acrylic panel shell to prevent scalding, because the tube temperature can be up to when working;
- DALE resistance, ALPS potentiometer, aluminum volume knob;
- The operational amplifier is imported NE5532 IC, you can also upgrade it for your favorite op-amp;
- Standard Micro USB charging, support charging and playing at the same time;
- Each channel with one tube for signal processing.