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Home/Products/Harmonai UM-620 Professional UHF Wireless Microphone System — True Diversity Reception, 200m Range, Multi-System Interference-Free Operation
Harmonai UM-620 UHF Wireless Microphone System image 1

Harmonai UM-620 Professional UHF Wireless Microphone System — True Diversity Reception, 200m Range, Multi-System Interference-Free Operation

The Harmonai UM-620 is a professional UHF wireless microphone system with true diversity reception, 200 selectable frequencies, infrared one-touch frequency sync, auto-scan, up to...

$162.50
Model
UM-620
Category
Microphones
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Generated onJune 10, 2026
Harmonai UM-620 UHF Wireless Microphone System image 1

Product Brief

Harmonai UM-620 Professional UHF Wireless Microphone System — True Diversity Reception, 200m Range, Multi-System Interference-Free Operation

Overview

The Harmonai UM-620 is a professional UHF wireless microphone system with true diversity reception, 200 selectable frequencies, infrared one-touch frequency sync, auto-scan, up to...

Price
$162.50
Model
UM-620
Category
Microphones

Specifications

Specifications

ParameterValue
Reception MethodTrue diversity reception
Number of Usable Frequencies100 frequencies per channel, 200 total
Interference Suppression TechnologyAdvanced digital pilot tone technology enables multiple systems to operate simultaneously without mutual interference
Frequency Sync MethodInfrared frequency sync function, one-touch sync, simple operation
Auto-ScanAutomatically searches for interference-free frequencies and initiates frequency sync after scanning
DisplayMultifunction display showing RF/audio signal levels and transmitter battery level
Effective Operating DistanceUp to 200 meters in open, unobstructed environments
ApplicationsStages of all sizes, karaoke venues, outdoor performances, and home entertainment
Reception SystemPLL phase-locked loop system with CPU programmable control
Signal-to-Noise Ratio (SNR)>110dB
Total Harmonic Distortion (THD)<0.5%
Frequency Response50Hz–15kHz ±3dB
Squelch ControlNoise lock + tone decoding navigation lock
Transmitter Operating FrequencyUHF 640–690MHz
Transmitter Frequency Adjustment100 adjustable frequencies; infrared frequency sync with automatic frequency search
Frequency Stability±3ppm
Harmonic Suppression>60dB
Transmitter Output Power10mW
Modulation MethodFM
Battery Specification3V (two AA 1.5V batteries)
Battery LifeApproximately 8 hours of continuous use
Model NumberUM-620
Product CategoryWireless Microphone
HarmonAIPage 1 / 1

Service Support

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