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            A-889C/D 主席/代表

            ● 采用環保低功耗超長壽命、無噪音輕觸開關,更精準,低噪聲

            ● 表面是國際先進的噴絨表面處理工藝,合金壓鑄底部,更穩重

            ● 高清液晶顯示話筒開/關狀態和動態電平及音量控制

            ● 內置8Ω2wΦ70高保真揚聲器,電子編碼開關控制音量調節

            ● 內置高保真電容音頭、使聲音還原好、清晰度高、噪音小,高效的嘯叫抑制功能,超強拾音效果

            ● 麥克風開啟時,音頭藍色工作指示燈發亮

            ● 主席單元不受任何限制隨時關閉代表單元,充分顯示優先發言權

            ● 單元自帶2米8芯鋁箔網狀屏蔽連接線,大大降低電磁波對線材的干擾

            ● 具有“先進先出”/“全開放”/“限制”多種發言模式



            ● 采用環保低功耗超長壽命、無噪音輕觸開關,更精準,低噪聲

            ● 表面是國際先進的噴絨表面處理工藝,合金壓鑄底部,更穩重

            ● 高清液晶顯示話筒開/關狀態和動態電平及音量控制

            ● 內置8Ω2wΦ70高保真揚聲器,電子編碼開關控制音量調節

            ● 內置高保真電容音頭、使聲音還原好、清晰度高、噪音小,高效的嘯叫抑制功能,超強拾音效果

            ● 麥克風開啟時,音頭藍色工作指示燈發亮

            ● 主席單元不受任何限制隨時關閉代表單元,充分顯示優先發言權

            ● 單元自帶2米8芯鋁箔網狀屏蔽連接線,大大降低電磁波對線材的干擾

            ● 具有“先進先出”/“全開放”/“限制”多種發言模式



            • 規格參數

            ● 類型Type: 電容式capacitor

            ● 指向性Directivity: 單一指向性single

            ● 頻率響應Frequency response: 50Hz-17000Hz

            ● 靈敏度Sensitivity: -45±3dB @ 1KHz

            ● 輸入電壓Input voltage: DC 24V(主機單元供電)

            ● 最小輸出阻抗The minimum output impedance: 1KΩ

            ● 信噪比Signal to noise ratio: 68dB(A)

            ● 輸出插座Socket: 8P端子座terminal block

            ● 數據傳輸線Cables: 2.1M 8P屏蔽線Shielding wire

            ● 附件Accessories:  防風海棉windyproof sponge


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                    人妻中文字幕无码2020_亚洲高清无在线码_国模张文静啪啪私拍150p_梅花视频不限次数看花钱么