1. Judging from the brand and model
Each Dongguan earphone manufacturer has its own fixed trademark and product serial number in addition to several specially produced earphones. In an earphone brand, there are also some earphones of different models with the same serial number. They are produced by branches or joint ventures of Dongguan earphone manufacturers in other countries. Their internal and external quality is monitored by the original company, so the listening effect is not different from the original company's products.
2. Judging from appearance
The earphones produced by reputable Dongguan earphone manufacturers have smooth appearance, fine workmanship, comfortable wearing and good touch. Some varieties have a light blue luster when viewed in the light. The earphone lead is soft and thick. The input plug has high machining precision. Generally, its surface is plated with gold, and the coating is fine and uniform. It can reproduce more realistic sound effects, and the matching tightness with the standard socket is appropriate.
3. Judging from the listening effect
This is the most direct and effective way to identify the earphones produced by Dongguan earphone manufacturers. Genuine headphones have a clear and loud sound, a wide and natural range, a pleasant high pitched sound, a clear midrange sound, and a dull low-frequency rolling sound. For those who have experience in listening to high fidelity equipment, "it's clear when you listen".
4. Judging from the packaging of earphones
The earphones produced by Dongguan earphone manufacturers with good reputation are generally packed into boxes with cardboard and transparent compression. The earphones, plugs, some wires and accessories in the box can be seen clearly. The brand, model, place of origin and recommended sales price are printed on the front of the packing box; The main technical specifications and instructions of the earphone and the company name and address of the earphone manufacturer or agent in Dongguan are printed on the back, and the product warranty is attached. Some earphone varieties are also equipped with conversion plugs, sponge bushings and other accessories.
