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27mm Ultra Thin Headphone - tillverkare, fabrik, leverantör från Kina
Some points about headphone from headphone speaker manfuacturer
Headphone speaker manufacturers introduced to classify according to working principle: according to different working principles, speakers are mainly divided into electric speakers, electromagnetic...
How to design good multimedia speaker
Nowadays, the multimedia speakers on the market are generally thin in the box material, the quality of the speaker unit is not good, the crossover frequency setting is unreasonable, the power...