Technical parameter:
Voltage is supplied: UM-4(GrAAA) x 2 festivals
Output: 150mW
Frequency range: 50 to 20, 000Hz +/-3dB
Export: 320Hm, 150mW, 84dB +/-3dB
Controller size: 63 x 56 x 19mm
Weight: 40g (controller without battery)
Use in the temperature range from -20 to +50 degrees Celsius
Assemblage:
Please pay attention to the installation of the battery
According to correct instruct putting battery of the controller
As it shows LED gives out light for a long time or sound quality become poor, you need to change the battery as figure 6
Please take out the battery when the item is not in use
It may need small instruments