JBL VM-300 Professional Dual UHF True Diversity Wireless Microphone KTV Karaoke System Built in CPU Control Selection


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The JBL VM-300 is a dual-channel wireless microphone system that delivers professional-grade sound with interference-free transmission. Designed for KTV applications, the VM300 features JBL’s signature karaoke turning to provide excellent vocal performance. Also, the system is the perfect complement to JBL Entertainment karaoke speakers, providing customers with a complete, premium KTV-audio solution.

The VM300 includes one SR300 receiver and two HT300 hand-held, dynamic microphones. In addition to excellent sound quality, the system offers quick and easy setup and operation. For simple synchronization between the receiver and microphones, the VM300 features Auto Scan and Auto Sync, selectable and storable presets as well as Shake to Sync functionality. With 200 available frequencies, venue owners can easily operate multiple systems simultaneously.

The system also includes Auto Mute, Auto Sleep and Auto Wakeup to ensure premium performance and efficient energy consumption. Plus, the receiver and mics have an LCD display that shows system status and battery levels, respectively. With crystal-clear, rich vocals, reliable performance and an easy-to-use design, the JBL VM300 elevates your karaoke audio system and provides guests an unforgettable singing experience.


Frequency Band 640 MHz – 690 MHz
Channels 200
Operating Range ≈ 50 meters
Frequency Increment 250 kHz
Frequency Bandwidth 50 MHz
S/N Ratio ≥ 50 dB (including pickup, according to China GB standard)
Shipping Weight 2.5 kg
Dimensions (L×W×D) 480 × 340 × 70 mm


  • Renowned JBL karaoke tuning delivers excellent vocal performance
  • Auto Scan automatically searches for available frequencies
  • Auto Sync provides automatic synchronization between receiver and microphone
  • Preset Module offers selectable and storable presets for easy synchronization
  • Shake to Sync provides simple frequency synchronization of two mics simultaneously
  • Auto Mute, Auto Wakeup and Auto Sleep consistently monitor the system to ensure peak performance and efficient energy consumption
  • LCD display on receiver and mics provide system and battery-level status
  • Perfectly complements JBL Entertainment karaoke speakers for a premium KTV-audio solution



Frequency Deviation ±10 kHz
Frequency Preparation PLL synthesized control
Receiving Mode CPU controlled selection + Pilot tone detection
Mute Mode Mute & Lock Loop Circuit
Display LCD
Power Requirement 12 VDC, 1.25 A
Audio Output Connector 2 × balanced XLR | 1 × 6.35mm unbalanced TS


Frequency Preparation PLL synthesized control
Transmission Power ≤ 30 mW
Transmission CPU controlled selection + Pilot tone detection
Frequency Deviation ±10 kHz
Display LCD
Pickup Cartridge Dynamic
RF Output power High, Low
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