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5. 

+48V power switch

: short press + or – button 

until +48V POWER is displayed. Then, long press 
the menu button to choose ON or OFF. Short press  
+ or – button to switch.

6. 

Software version

: When short pressing the + or 

– button, the Version displayed means the software 
version.

Version
1.00

7. 

Restore factory default

:  short press +/- button 

until Restore Default is displayed. Then, long press 
the menu to set. After restore the settings, the 
system will set CRP/CH/RF : A-01-L by default.

+48V POWER
ON

Make the output port of the XLR microphone into the TX3-XLR 
transmitter port and press down until it is locked.

Install/Detach the Microphone

Please do not pull out the microphone or XLR audio cable by force, otherwise, 
damage may be caused.
Please turn off the transmitter when connecting or removing the microphone.

Note

Release button

Model

TX3-XLR

Channel

96(Group A 48;Group B 48) 

Group

A/B

RF Frequency Range

514MHz-596MHz

Oscillator Type

Crystal Controlled PLL Synthesizer

Audio Frequency Range

40Hz-18KHz

Sound Delay

12ms 

Distortion

<0.5%

Antenna

1/4λ

Battery

Two AA batteries

Working Temperature 
Range

0℃~ 40℃

Storage Temperature

-10℃~ 40℃

Dimensions

Weight

158g(Battery is not contained)
107mmx51mmx34mm

Troubleshooting

Technical Data

Unable to receive audio signal. Make sure batteries are installed 
correctly and Power Switch is turned on. Check if the transmitter and 
the receiver are set to the same channel, if the microphone or 
earphone is well connected, or if the devices are set to the correct 
mode.
Check if the transmitter is set to silent mode or not.
Signal disturbance or shooting interference. Change a different 
channel of the transmitter and receiver.
Operating audio distance limited or signal missing. Check if batteries 
are exhausted. If so,replace them.

1.

2.
3.
4.

Restore
Default

Microphone 
or XLR cable

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