Features of infrared delegate microphone
1、Newly digital design
2、Portable table moving and microphone pipe can be pull out. Extended pipe optional.
3. Electric capacity type microphone, equipped with windshield cover
4、LCD color red/blue (option)
5、LCD display microphone ID, signal level, battery level, microphone state, control channel, etc. 6、Equipped with microphone on/off key and indicator.
7、Equipped with 5 function keys to set microphone id, control channel, LCD contrast, light time and voting
8、Auto-Close: Microphone will turn off automatically if there is no action of this microphone in 99 seconds. (Option)
9、Microphone will shut off the power in 60 seconds to save battery power if system communication is error.
10、LCD will display “IR Signal Weak” if the IR signal is weak when microphone working.
Features of infrared chairman microphone
Including the functions of the delegate unit, chairman unit has other following functions:
1、Chairman microphone can turn on any time.
2、In one system microphones just support one chairman microphone and the ID number should be 1.
3、Priority function: chairman can turn off delegate microphones any time.
4、Chairman only mode: Delegate microphone can not be turned on again after chairman microphone press priority button. The chairman need quit this mode first, and then delegate microphone can be turned on again.
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Audio channel | Transmission method | Wireless infrared |
Audio channel | 4 | |
Carrier frequency band | 6MHz-8MHz | |
Modulation method | FM | |
Infrared radiator consumption | +10dBM | |
Mic sensitivity | -44dB±2dB | |
Frequency response | 100Hz-10KHz | |
S/N Ratio | >70dB | |
T.H.D. | <0.5% | |
Reference sound receiving distance | 10-30cm | |
Data control channel | Transmission method | Wireless |
Data channel | 14 | |
Frequency Range | 901MHz-927MHz | |
Modulation method | FSK | |
Receiving sensitivity | -85dBM | |
Transmission consumption | 10dBM | |
Communication rate | 100KBPS | |
Microphone | Battery | LIP battery12V/4000MAH |
Consumption Rating | 8W | |
Operating temperature range | 0-40 degree | |
Length of gooseneck | 400mm (optional) | |
Dimensions | 210×140×69mm | |
N.W | 900g (with battery) |
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