Is Harman Kardon from Apple Store genuine?

Harman Kardon from Apple Store is genuine. Harman Kardon sold by Apple Brand Store is genuine. How Harman Kardon distinguishes between true and false;

1, authentic Harman Kardon stereo tweeter film has obvious wiredrawing lines.

2. The label on the back of the authentic Harman Kardon audio is also positive, and the solder joint is on the right side of the mark.

3. Authentic Harman Kardon audio has obvious wiredrawing lines on the top film.

4. There is obvious blue glue on the side of authentic Harman Kardon audio under the sunlight.

5. The authentic Harman Kardon sound bass mill has symmetrical concave points inside and outside.