★有效距离：60米                                                                                                                ★UHF730-830MH质频段（避免DVD等设备的高频干扰）                                       ★一拖四UHF4通道无线麦克风
★二次变频技术（选择性好）                                                                                            ★双锁相环频率合成技术（频率稳定度更高）
★400个频道可供选择（远离干扰频道）                                                                          ★红外对频技术（选频更方便）
★三重静噪控制                                                                                                                  ★32.768KHz导频技术
★接收灵敏度在一定范围内连续可调    
★发射器：手持式发射器                                                                                                    ★发射天线：内置微带天线            
★发射器指示：电源开关指示、低压指示、对频确认指示                                            ★不分A、B、C、D通道，使用更方便