Singtronc UHF-550 Professional Dual USB Rechargeable Wireless Microphone Karaoke System <font color="#FF0000"><i><b>Newest Model: 2020</b></i></font>

Singtronc UHF-550 Professional Dual USB Rechargeable Wireless Microphone Karaoke System Newest Model: 2020

Item# UHF-550

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.


  • 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 Mode: Crystal Frequency Lock
  • Frequency Stability : 15PPM
  • Sensitivity: 3uV 30dB S/N
  • Signal to Noise Ration : 60dB
  • Audio Output: 0~0.5V/4.7K
  • Output Jacks : One 1/4" Unbalanced Output jack, One XLR balanced output jacks
  • Power Supply: AC120(10%)


  • 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


  • Operating Frequency Range: UHF Band
  • Frequency Stability: 0.005%
  • Modulation Mode: FM
  • Frequency Responses: 50-16000Hz
  • S/N Ratio: > 60dB
  • Maximum Sound Pressure : ≥120dB
  • Distortion Factor :≤1%
  • Effective Field (in the open air) : 50M

Package Included:

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

***Guarantee In Stock, Will Ship The Same Day*** ---> With 1 Full Year Warranty Include: Labor & Parts Plus Free Shipping Back

FREE: UPS Ground Shipping Within 48 States


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