1, with courage machine. The combination of 7 mm beeswax and courage machine can produce warm and soft timbre, which is suitable for listening to classical music, jazz and so on.

2, with post amplifier. The combination of 7 mm beeswax and post amplifier can enhance the dynamic range and volume of sound, which is suitable for listening to music such as rock and pop.

3, with hi-fi sound. The combination of 7 mm beeswax and hi-fi can restore the details and realism of music, which is suitable for listening to classical music and jazz.

4. Use the front stage of the electron tube. The combination of 7 mm beeswax and electron tube front stage can produce soft and warm timbre, which is suitable for listening to classical music, jazz and so on.