<p><span style="font-size: 14px; font-family: 微软雅黑, "Microsoft YaHei";"></span></p><p><span style="font-size: 16px; color: rgb(192, 0, 0);"></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">UHF</span><span style="font-family:宋体">频段双通道无线话筒,可以选择手持式、头戴式、领夹式,传输可靠,干扰更少;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">采用</span><span style="font-family:Calibri">DPLL</span><span style="font-family:宋体">数字锁相环多通道频率合成技术和红外对频技术,设定和操作更简便;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">双手持专业</span><span style="font-family:Calibri">2</span><span style="font-family:宋体">通道</span><span style="font-family:Calibri">U</span><span style="font-family:宋体">段无线话筒,每通道</span><span style="font-family:Calibri">100</span><span style="font-family:宋体">个频率可选;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">采用最新红外线自动对频(</span><span style="font-family:Calibri">IR</span><span style="font-family:宋体">)与自动选频(</span><span style="font-family:Calibri">AFS</span><span style="font-family:宋体">)技术,设定和操作更简便;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">麦克风采用升压设计,电池电量下降不影响发射功率</span><span style="font-family:Calibri">,</span><span style="font-family:宋体">并带低电指示;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">接收机带</span><span style="font-family:Calibri">AFC</span><span style="font-family:宋体">跟踪,可在开机使用中自动抓准麦克风的频率漂移</span></span></p><p><span style=";font-family:宋体;font-size:14px">具有液晶显示屏,可以查看通道的频段、频道信息;</span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">具备</span><span style="font-family:Calibri">8</span><span style="font-family:宋体">级射频电平显示接收到的射频信号强度;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">具备</span><span style="font-family:Calibri">8</span><span style="font-family:宋体">级音频电平显示音频信号的大小;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">载波范围:</span><span style="font-family:宋体">≥</span><span style="font-family:Calibri">600-690MHZ</span><span style="font-family:宋体">;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">信道数目:</span><span style="font-family:宋体">≥</span><span style="font-family:Calibri">200</span><span style="font-family:宋体">个;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">频率响应:</span><span style="font-family:Calibri">40HZ-18KHZ(</span><span style="font-family:宋体">±</span><span style="font-family:Calibri">2dB)</span><span style="font-family:宋体">;</span></span></p><p><span style=";font-family:宋体;font-size:14px">调制方式:全数字式;</span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">频率稳定度:</span><span style="font-family:宋体">±</span><span style="font-family:Calibri">0.005%(-10~50</span><span style="font-family:宋体">℃</span><span style="font-family:Calibri">)</span><span style="font-family:宋体">;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">信噪比:</span><span style="font-family:宋体">≥</span><span style="font-family:Calibri">105dB</span><span style="font-family:宋体">;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">灵敏度调节范围:</span><span style="font-family:Calibri">12-32dBuV;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">杂散抑制:</span><span style="font-family:宋体">≥</span><span style="font-family:Calibri">75db;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">失真度:</span><span style="font-family:宋体">≤</span><span style="font-family:Calibri">0.5%</span><span style="font-family:宋体">;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">供电方式:</span><span style="font-family:Calibri">DC12V</span><span style="font-family:宋体">;</span></span></p><p><span style="font-size: 16px; color: rgb(192, 0, 0);"></span><br/></p>
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