Of course, you need to look for music with good sound quality when using speakers, and lossless music is the first choice.

1. Bass: "One's Own Way", "sade" kennyg

2. Alto: "Paradise" Tengger

3. Treble: "Water" Nisha's Smile" Clayderman

4. Treble: Butterfly Lovers

5. Alto: Lover's Tears (Tsai Chin version)

6. Bass : Drum Poetry

7. Full range: California Hotel

Burning in the machine is a method to quickly stabilize the aging of the equipment. The electrical parameters of some components such as transistors, integrated circuits, and capacitors are unstable when they are new, and will gradually become stable after a period of use.