manual
5
OFF ON
INP UT
OF
F O
N
M
I
C
LE
D
VHF TWIN CHANNEL WIRELESS
MICROPHONE RECEIVER
OPE N
OP
E
N
VHF TWIN CHANNEL WIRELESS
MICROPHONE RECEIVER
O
P E
N
VHF TWIN CHANNEL WIRELESS
MICROPHONE RECEIVER
collar line
Power indicator
Power switch
tie clip conjuction 
 This circle light is working, indicating the battery working when the 
transmitter is switched on.
4
1
3
4
2
Wireless meeting microphone  Handheld transmitter
Laveliar transmitter
Operation 
1.Cartridge 2.Working indicator 3.Switch 
4.Power and low voltage two color indicator
DC9V
<35mA
170-270MHz 
¡0.002%
>90dB 
> 80dB
>80dB
<3%
Condenser noise proof 
Uni-direction
40Hz-18KHz( 3dB)
-47¡3dB @1KHz 
-10-55¡
Power supply 
Power consumption
Carrying frequency 
Frequency stability
S/N ratio
Channel interference ratio
Dynamic range
T.H.D 
Cartridge
Polarity
Frequency response
Sensitivity of transmission
Temperture
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¢Low voltage indicator 
¢9V Battery 
¢Battery cover 
¢Head net 
¢Power switch
¢Power light
1.Please put the battery in the battery case correctly with right poles 
2.Working when the switch on,mute at ST-BY
3.Please out out the battery and switch off if you will not use.
4.Please change the battery when the low voltage light is on
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TECHNICAL PARAMETERSTECHNICAL PARAMETERS





