Okay.

The sound is sweet, soft, natural and friendly, especially the dynamic range is large, the listening experience is very distinctive, the sound is warm and durable, the music feels good, and the atmosphere is good. What is remarkable is that the sound is soft, natural and friendly, especially dynamic The range is large, and the listening experience is very distinctive. In addition to the static intermodulation distortion that can be compared with the crystal machine, the other technical indicators are good. The service life is semi-permanent in principle, but the relative life span is determined by the electron tube.