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Singtronic UHF-550 Professional Dual USB Rechargeable Wireless Microphone Karaoke System

Singtronic UHF-550 Professional Dual USB Rechargeable Wireless Microphone Karaoke System

Guaranteed In Stock: Will Ship The Same Day
Free Shipping: UPS Ground Within 48 States
Warranty: Full 1 Year Warranty Included

Product Description

SINGTRONIC UHF-550 is a dual UHF wireless USB Lithium Rechargeable batteries microphone karaoke system. The UHF-550 professional wireless microphone system introduces a number of advanced technology and components, including the efficient low-consumption RF transmission technology, elimination of switching impact technology, slow changed output control technology, superb sensitive UHF narrowband receiver and etc.. EDA, online simulation accessorial design and strict quality control are applied to ensure each system with excellent electronic function. The system offers one 1/4" Mix output connectors provides the highest signal quality to your mixer or amplifier. Those make UHF-550 ready to be used at any time.


  • Battery: 1.5V AA battery RF 
  • Output: 10mW
  • Nominal Deviation: 25KHz, Max 40KHz
  • Power On LED
  • Battery Low Indicator
  • Silence circuit eliminated popping noises when the switch is turned on or off
  • Wide frequency response with low harmonic distortion
  • Perfect mute function and high spurious emission
Package Includes:

  • 2 x UHF Wireless Microphones
  • 1 Receiver
  • 3" 1/4" to 1/4" Microphone Cable 
  • USB Charger Adaptor 
  • 4 x AA batteries 
  • Instruction Manual


  • Desktop receiver and enhanced muting, high signal / noise ratio.
  • Almost zero noise output when standby.
  • Operating Highest Frequency: 902 ~ 928 MHz
  • Broad frequency response range, super low distortion.
  • No impact on switching receiver, ensure safety of rear stage amplifier system and speaker.
  • Perfect operative status signals, fluorescence display, with digital microphone.
  • Long practical distance. Over 30m in ideal circumstances; practical 20 m radius in complex circumstances.
  • Dual frequency design. Be able to use two microphones at the same time without mutual interference.
  • Applicable for medium& small stages, karaoke halls, and home entertainment etc.
  • FREE: Wireless USB Lithium Rechargeable



Receiving ModeCrystal Frequency Lock
Frequency Stability15PPM
Sensitivity3uV 30dB S/N
Signal to Noise Ration60dB
Audio Output0~0.5V/4.7K
Output JacksOne 1/4" Unbalanced Output jack, One XLR balanced output jacks
Power SupplyAC120(±10%)


Operating Frequency RangeUHF Band
Frequency Stability± 0.005%
Modulation ModeFM
Frequency Responses50-16000Hz
S/N Ratio> 60dB
Maximum Sound Pressure≥120dB
Distortion Factor≤1%
Effective Field (in the open air)50M

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