Harmonai UM-640 UHF Wireless Microphone System image 1

Harmonai UM-640 Professional UHF Wireless Microphone System — Quad Diversity, 4-Channel

The Harmonai UM-640 is a professional UHF wireless microphone system featuring digital pilot tone technology and a quad-antenna receiver architecture. With 320 selectable channels...

$172.06

Model: UM-640
Category: Microphones
Images: 4 images
Status: ready

Product Brief

Harmonai UM-640 Professional UHF Wireless Microphone System — Quad Diversity, 4-Channel

Overview

The Harmonai UM-640 is a professional UHF wireless microphone system featuring digital pilot tone technology and a quad-antenna receiver architecture. With 320 selectable channels...

Price: $172.06
Model: UM-640
Category: Microphones

Specifications

Parameter	Value
Frequency Band	UHF 600–700 MHz
Number of Channels	320 (4×80)
Pilot Tone Technology	Digital Pilot Tone
Automatic Frequency Scan	Supported
Sync Method	Infrared Sync
Antenna Configuration	Quad-Antenna Receiver
Effective Operating Distance	100 meters
Transmitter Output Power	5–30 mW
Transmitter Oscillation Mode	PLL
Transmitter Modulation	FM
Image Rejection	>50 dB
Frequency Deviation	≤75 kHz
Transmitter Power Supply	DC 1.5 V × 2
Receiver Sensitivity	2.0 µV
Receiver Oscillation Mode	PLL
Receiver Signal-to-Noise Ratio	>90 dB
Output Interfaces	Balanced outputs × 4, Unbalanced output × 1
Receiver Power Supply	AC 100–240 V / DC 12 V, 1000 mA
Frequency Response	30 Hz–18 kHz ±0.5 dB
System Sensitivity	100 dB
System Distortion	<0.5%
System Signal-to-Noise Ratio	>90 dB

Service Support

We support project consultation, model recommendation, bulk purchasing and catalog delivery for retail, multipurpose halls, conference rooms and live events.

Business hours: Monday to Friday 09:00 - 18:30
Inquiry channels: phone / email / website form
Tip: share budget, quantity and use scenario in advance

UM-640 Professional UHF Wireless Microphone System product image

Product Overview

The Harmonai UM-640 is a professional-grade UHF wireless microphone system that employs advanced digital pilot tone technology and PLL oscillation mode, offering 320 selectable channels within the 600–700 MHz frequency band. Its quad-antenna high-performance receiver architecture ensures stable and reliable signal transmission, with an effective operating distance of up to 100 meters. It supports infrared sync and automatic frequency scanning for simple, intuitive operation and effective avoidance of co-channel interference. Flexible microphone compatibility—including handheld, lavalier, headset, and conference mics—meets diverse needs across large and small stages, karaoke venues, outdoor concerts, and home entertainment.

System Features

Transmitter Specifications

Receiver Specifications

Sensitivity: 2.0 µV | Oscillation Mode: PLL | Signal-to-Noise Ratio: >90 dB | Output Interfaces: Balanced outputs × 4, Unbalanced output × 1 | Power Supply: AC 100–240 V / DC 12 V, 1000 mA

Applications

The UM-640 is widely suitable for live stage performances, karaoke bars (KTV), outdoor concerts, conference presentations, and home entertainment. Its quad-antenna receiver architecture and 100-meter effective transmission range ensure seamless performance—whether for large-scale productions or intimate gatherings.

For more details or customized solutions, contact us today for professional consultation.