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Singtronic UHF-4000Pro Professional Digital Dual PLL Wireless Microphone Karaoke System <b><i><font color="#FF0000">Model: 2020 Digital Sound Quality</font></i></b>

Singtronic UHF-4000Pro Professional Digital Dual PLL Wireless Microphone Karaoke System Model: 2020 Digital Sound Quality

Item# UHF-4000Pro

Product Description

Click Here to view Singtronic UHF-4000Pro Operation Manual (PDF)

Newest Model: 2020 SINGTRONIC UHF-4000Pro is equipped with auto mute function (MIC will pause after left hand for 3 seconds in any direction, any angle.). It will enter into standby situation after 5 mins, auto power off after 15 mins.


  • This new model is equipped with new circuit to provide good sound quality and perfect working distance.
  • Stringing frequency can be solved with automatic channel searching disturb function and will be more convenient installation.
  • Initial volume and MAX volume setting.
  • Boot times functions.
  • MIC will auto mute when drop down.
  • UHF frequency (PLL).
  • 100 x 2 channels, space is 250 KHz.
  • Working distance at least 80 meters.
  • External Squelch knob is on the rear panel of receiver, can flexible to set between 10 m -80 m.
  • Mainly for karaoke project, one receiver with two transmitters. Can be use 100 units at the same time of one KTV.


  • Frequency range:610-820MHz
  • Channels:1002
  • Modulation Mode:FM(PLL)
  • Bandwidth: 60MHz
  • Frequency Stability:10ppm
  • Sensitivity :-95~-67dBm
  • Frequency:50Hz - 15KHz
  • Signal-to-noise ratio(S/N): >105dB(A)
  • THD(1kDz): <0.3%
  • Harmonic distortion:≤0.5%
  • Noise ratio :≥110dB
  • Output:balanced or mixing
  • Transmitting power:3-30mW
  • Battery type:AA
  • Power:100-240V 50-60Hz 12VDC or 220VAC/50-60HZ 12VDC
  • Power consumption:≤8W

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