国产一级片久久久久久久18-午夜av中文字幕在线观看-国自产在线观看视频精品-资源一区二区三区在线播放

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BG-710

BISONGpro????BG-710

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????????40Hz-16KHz
????璺�??75??
??????-40dB??2dB
?慰???????20-80cm
?????????????
???????48CM
????????DC9V/????48V



BG-718

BISONGpro????BG-718

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?????????????
????????30-19KHz??-10dB)??40-16KHz??-3dB??
?璺�??75??
??????-40dB??2dB
?????????????
????????????48V??DC3V
???????26CM??48CM???
?慰???????20-80CM




BG-730

BISONGpro????BG-730

?????????????
????????40Hz-16KHz
????璺�??75??
??????-40dB??2dB
?慰???????20-80cm
?????????????
???????48CM
????????DC3V/????48V



BG-760

BISONGpro????BG-760

??????????芯?????
????????30Hz-2KHz
????璺�??200??
??????-67dB SPL 1KHz ?? 1pa
?慰???????20-60cm
???????????蔚???????
????????????48V




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?缍�??0755-28882666?????????????妫�0755-28469696 [email protected]
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