优质话筒，高频红外线对频，无线麦克风802

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特点：红外线对频，自动锁定频道，真分集，抗干扰性强！共有200个频道任意选择！系统指标：•频率范围: 740-790MHz•调试方法:宽频FM•可调范围: 50MHz•通道数量: 200•通道间隔: 250KHz•频率稳定度:±0.005%以內•动态范围: 100dB•最大频偏:±45KHz•音频回应: 80Hz-18KHz (±3dB)•综合信噪比: >105dB•综合失真:《0.5%•工作温度:攝氏零下10度到攝氏40度接收器指标:•接收机方式：二次变频超外差•中频频率:第一中頻: 110MHz第二中频: 10.7MHz•无线介面:BNC/50Ω•灵敏度:12dBuV (80dBS/N)•灵敏度调节范围：12-32 dBuV•杂散抑制:》75平: +10dBV麦克风发射器指标•天线程式：配挂发射器采用1/4鞭狀天线，手持麦克风內置螺旋天线•输出功率:高功率30mW ;低功率3 mW•杂散抑制: -60dB•供電:两节AA电池Detailed Product Descriptionwireless IR microphone, wireless microphone, uhf microphone, uhf wireless microphone systemhandheld with rechargable batteryUHF wireless IR microphone, wireless microphone, uhf microphone, uhf wireless microphone systemhandheldmicrophone with rechargable battery1.frequnency :740-790MHZ2.LED display3.There will be no need to change battery in handheld microphone, which is rechagable4.Packing: 5 pcs/CTNDetailed Product Descriptionwireless IR microphone, wireless microphone, uhf microphone, uhf wireless microphone systemhandheld with rechargable batteryUHF wireless IR microphone, wireless microphone, uhf microphone, uhf wireless microphone systemhandheldmicrophone with rechargable battery1.frequnency :740-790MHZ2.LED display3.There will be no need to change battery in handheld microphone, which is rechagable4.Packing: 5 pcs/CTN