4-Channel UHF Diversity Wireless Lavalier Microphone System (4x40 FQ) MU-UDX4-LL


  • $249.99
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Professional 4-Channel UHF Diversity Wireless Lavalier Microphone System

4x40 Adjustable Frequencies


Very high quality Professional UHF Diversity Wireless microphone system


One Year Limited Manufacturer Warranty in USA

The MUSYSIC's MU-UDX4 UHF diversity multiple Frequencies (Adjustable Frequencies) wireless Lavalier microphone system delivers superior sound quality and professional features. It is designed for a wide range professional application with 160 selectable channels (4x40 adjustable frequencies), automatic frequency scanning, true diversity operation, Tone Lock squelch circuit, automatic transmitter setup. It's the perfect for professional use at any events. 


  • Backlit LCD display showing RF level, AF level, Channel Frequency.
  • 4x40 Selectable frequencies on each channel, multiple units can be used simultaneously
  • Diversity operation for increased range/reliability, reducing dropouts.
  • Built-In Tone Lock Squelch circuit protection from RF interference
  • Automatic frequency scanning to find and set the best available channel
  • Automatic transmitter setup, the channel of the transmitter and receiver can easily synchronize
  • 4 channel receiver, All microphones can be used at the same time
  • Four XLR individual outputs and one 1/4" Mixed output
  • Individual volume control on each channel
  • Frequency: UHF 500MHz - 590MHz ( Comply with FCC new frequency rules )
  • Battery Life: 12 Hours ( AA batteries )
  • Range: Up to 300 feet ( 100 meters )
  • Rack mountable, Fits 19" rack



  • Operating Frequency: 500 - 590 MHz
  • Number of Channels: 160 
  • Frequency Stability: ±30PPm
  • Modulation Mode: FM
  • Maximum Deviation Range: ±80KHz
  • Operating Range: 100m (300 feet)
  • Temperature Range : 41f – 113f
  • Frequency Response: 40 - 20000 Hz


  • Receiving System: Diversity
  • Received Sensitivity: -105dBm
  • Power Supply:  DC 12V
  • Audio output impedance: 600Ohms ±10% Unbalanced
  • Audio output level: 0 - 0.7 V r.m.s
  • De-Emphasis: 50uS
  • Dimensions: 19”×8.67”×1.77”
  • Weight: 1500 g



  • RF Output: 10 mW
  • Power Supply: 1.5V AA X 2 Battery
  • Microphone: Condenser microphone
  • Pre-Emphasis: 50uS
  • Dimensions: 3.75” X 2.5” X 1”
  • Weight: 130g

Package includes:

  • 1pc 4-channel UHF receiver
  • 4pcs Transmitters (Body pack)
  • 4pcs Lapel Microphone Cable
  • 4pcs Headset Microphone Cable
  • 1pc 1/4" Audio cable
  • 1pc AC universal power supply

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