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WC990

产品描述：

高品质国产音头，具有出色的拾音表现和反馈抑制效果，为演讲者、演员和歌手提供高清晰度的语音表现。

扩音机

会议系统

演出话筒

产品详情
技术参数

高品质国产音头，具有出色的拾音表现和反馈抑制效果，为演讲者、演员和歌手提供高清晰度的语音表现。

类型：驻极体电容麦克风

指向性：心型指向

频率响应:50Hz~15KHz

灵敏度: -47±3dB/2.2K/ 1.5V

输出阻抗:2KΩ±30%

最大声压级:135dB

操作电压: 1.5-10V D.C

线材:Φ1.4mm*1.2m

咪头直径:Φ3.0mm

附件：防喷罩

基本文件流程错误 SQL 调试

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[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: now[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:144]
[8]未定义变量: now[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:145]
[8]未定义变量: now[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:146]
[8]未定义变量: now[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:147]

[ DB ] CONNECT:[ UseTime:0.000356s ] mysql:host=localhost;dbname=artsound_com_cn;charset=utf8
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[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 4 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000501s ]
[ SQL ] SHOW COLUMNS FROM `yzn_attachment` [ RunTime:0.000522s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 88 [ RunTime:0.000237s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 89 [ RunTime:0.000193s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 201 [ RunTime:0.000155s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 22 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000341s ]
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[ SQL ] SHOW COLUMNS FROM `yzn_product` [ RunTime:0.000645s ]
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[ SQL ] SELECT `path` FROM `yzn_attachment` WHERE `id` = 921 LIMIT 1 [ RunTime:0.000129s ]

0.065473s

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WH92

ART W2020-S

ART-22

ART1

ART W1008-S

ART W1010-S

WC955

WC 992