FAQ_Dongguan Zhongbang Electronic Co., Ltd.

How to change the sound film? [ 2015-12-29 ]

Tools: medium knife, tuyere PVC glue 502 glue, white electricity oil, Tianna water, sand cream, cloth, syr...
What is the difference between the polymer sound film and the silk sound film of the loudspeaker [ 2015-12-29 ]

Advantages of silk membrane treble: delicate and soft disadvantages: high frequency extension is not enough,...
Many kinds of sound film coated loudspeakers [ 2015-06-05 ]

There are many kinds of sound film coated loudspeakers, according to its principle of energy trans...

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