森海动力 MK-902

1.内置2*3编组叠机频率,一键调取,同一频段可同时轻松叠机2套使用。2.具有IR红外线自动对频功能,一键自动对频锁定。3.八通道音量独立可调,提供8+1音频输出,八通道各音频音量输出独立可控。4.提供多种发射器可选,发射器中会议/手持/领夹可以混搭使用5.背光式LCD显示屏指示了RF和AF信号强度,频率,频率组/频道等工作状态。6.采用8通道相同的工作频率,使得发射器之间可以随时互换,增强了操作

  • 类型: 会议系列

1.内置2*3编组叠机频率,一键调取,同一频段可同时轻松叠机2套使用。

2.具有IR红外线自动对频功能,一键自动对频锁定。

3.八通道音量独立可调,提供8+1音频输出,八通道各音频音量输出独立可控。

4.提供多种发射器可选,发射器中会议/手持/领夹可以混搭使用

5.背光式LCD显示屏指示了RF和AF信号强度,频率,频率组/频道等工作状态。

6.采用8通道相同的工作频率,使得发射器之间可以随时互换,增强了操作的灵活性。

7.采用UHF波段无线音频发射芯片模块IC,具有良好的RF性能和音频性能,配合杂讯锁定静噪控制与数码导频技术,当发射器关闭时,导频控制将AF信号静音以抑制噪声,同时将接收机对应通道静音,保证了对干忧信号的有效阻隔。


1.2*3 marshalling frequency are built-in, one button to adjust. One same frequency range available two receivers use in the same time.

2.Infrared ray synchronization function, one button to connect and lock frequency automatically.

3.Volume of eight channels is independent to adjust. Provide 8+1 audio output, each audio volume is independently output.

4.Provide multiple transmitters to choose, conference, handheld and collar microphones can be mixed to use.

5.Backlit LCD display show working station of RF, AF, frequency and channels.

6.Adopt same working frequency for eight channels, transmitters can interchange at any time, this greatly enhance operation flexibility.

7.Adopt  UHF wireless audio transmit chip module IC which has excellent RF and AF performance, provide professional sound experience to customers. Squelch control and digital pilot technology, when transmitter turn off, pilot control will make AF signal to be mute to avoid noise, receiver’s channels also will be mute, this effectively cut off interference signal.


系统参数System Parameter:

通道组数Channel: 八通道Eight-channel

调制方式Modulation Mode: FM stereo modulation

信道数目Channels: 400

可调范围Frequency interval: 50MHz

信道间隔Channel interval: 300KHz

载波频段Frequency Range: UHF610-670MHz(depend on where you located)

工作有效距离Working Distance: 理想工况下有效使用距离为80米. 复杂环境下有效使用距离不小于45米.Ideal condition is about 80 meters, complex environment is about 45 meters.

工作温度Working temperature: -10~40℃

电源供应Power supply: DC12V 1000mA


接收机规格Receiver:

音频响应Frequency response: 80Hz-18KHz(±3dB)

综合信噪比S/N ratio:>105 dB

综合失真T.H.D distortion: ≤0.5%

无线接口Wireless interface: BNC/50Ω

灵敏度Sensitivity: 12dBμV(80DbS/N)

灵敏度调节范围Sensitivity range: 12-32 dBμV

最大输出电平Max output level: +10dBV

接收机指标Receiver specifications

接收机方式: 二次变频超外差Pattern: super heterodyne twice frequency conversion

中频频率IF-FRE:第一中频 First110MHz, second10.7MHz


发射规格Transmitter:

频率稳定度Frequency stability:±0.005%

动态范围Dynamic range:100dB

无线程式Wireless program: 佩挂发射器采用1/4波长鞭状天线,手持麦克风内置螺旋天线

lapel uses 1/4 wavelength whip antenna, handheld uses built-in spiral antenna

输出功率Output power: 高功率High power15mW; 低功率Low power8mW

杂散辐射Stray radiation: -60dB

供电方式Power supply: 2*AA batteries

使用时间Duration time: 13 hours

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