TouchTunes Interactive Networks TT-7220 User Manual

Page of 3
6
        Welcome to use series wireless microphone TT-7220, in order to exert the best performance of 
          this product, please read the user manual detailedly before using it.
Features
Specification
UHF Wireless Microphone
·UHF frequency band features interference-free reception
·Long operating range up to 50 meters in open area
·Transmitter features excellent audio companding circuit and high quality cardioid capsule for best sound quality 
     and maximum feedback rejection
·Powered by 2pcs of 1.5V batteries for convenient use
·Advanced pilot frequency lock function can better avoid interference and eliminate the on/off impulsive noise
·Balanced(XLR)and unbalanced (6.3mm) output for convenient connection with various audio equipment
·Receiver adopts quartz frequency multiplication fixed frequencies for simple and convenient use
Frequency Range: 911.05MHz-927.05MHz
Frequency Control: PLL/ Quartz Frequency multiplication
Frequency Steadiness: ±0.005%
Modulation Mode: FM
Number of Channels: fixed frequency
Receiving Mode: dual conversion 
Frequency Response: 60Hz-15kHz
Max. Frequency Deviation: ±45kHz
S/N Ratio: >80dB
THD: <0.5%
Receiving Sensitivity: -80dBm
Dynamic Range: >100dB
Receiver Audio Output: unbalanced + balanced
Transmit Power:  1mW
Transmitter Power Supply: 3V(2pcs 1.5V batteries)
Transmitter Battery Play Time: approx. 10hrs (depending 
on the battery)
Operating Range: 50m in open area
Operating Temperature: -20
~
60℃
TT-7220
2
Application
Product Content
•   Campus meeting, entertainment host, speech, karaoke
Receiver                                   1pc             
    
Handheld Transmitter            2pcs
8
Operating Instruction
Front Side
Rear Side
Handheld Microphone
13
14
UHF Wireless Microphone
① Volume Adjustment Knob A: to adjust the output volume 
       of the receiver
② RF Signal Indicator A: indicate the receiving signal
③ RF Signal Indicator B: indicate the receiving signal
④ Volume Adjustment Knob B: to adjust the output 
       volume of the receiver
 
⑤ 
 
⑥ 
 
⑦ 
 
⑧ 
     
     
Antenna B
XLR Balanced Output Socket B
6.3MM Unbalanced Output Socket
XLR Balanced Output Socket A
Power Button: press the button to “ON” position, 
       the receiver is turned on 
DC Power Input Port: to connect with the power 
       adaptor 
       Antenna A
       RJ45 connector
Power Indicator: when the LED indicator keeps on green, it means the battery power is normal; when the 
 
indicator is flickering, it means the battery power is low and need to replace timely
Power Switch: push the switch to “ON” position, the transmitter is turned on and the power indicator lights up
green 
LED 
9
11
TT-7220
12
  VOL   A  
   VOL   B 
UHF WIRELESS MICROPHONE
TT-7220  
9
11
BAL OUT A  
I / O 
   
BAL OUT B  
ANT. A
ANTB
 
OFF 
ON  
UNBALANCED OUT  
  12V    500mA    
-
+
Made in China
12
13
14
T
T-
7
2
2
0