Service Bulletins
Technology Support
Jaocom Total Quality Service
I'm Jaocom, focusing on audio development and manufacturing.
2019-03-09
Congratulations Zun Kang Audio Co., Ltd. official website opened
2018-04-12
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Power Amplifier Indicators Guide
2013-05-14
Audio Frequency and the Unit of Volume
2012-08-14
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The volume of toys and background music should be controlled under 60 DB
2012-09-14
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