Harmonai MR20 UHF Single-Receiver Dual-Handheld Wireless Microphone System image 1

Harmonai MR20 UHF Single-Receiver Dual-Handheld Wireless Microphone — Professional Conference & Stage-Grade Two-Channel System

The Harmonai MR20 is a professional UHF single-receiver dual-handheld wireless microphone system operating in the 640–690 MHz band with FM modulation, 105 dB SNR, and >100 dB dynam...

$76.95

Model: MR20
Category: Microphones
Images: 4 images
Status: ready

Product Brief

Harmonai MR20 UHF Single-Receiver Dual-Handheld Wireless Microphone — Professional Conference & Stage-Grade Two-Channel System

Overview

The Harmonai MR20 is a professional UHF single-receiver dual-handheld wireless microphone system operating in the 640–690 MHz band with FM modulation, 105 dB SNR, and >100 dB dynam...

Price: $76.95
Model: MR20
Category: Microphones

Specifications

Parameter	Value
Receiver Frequency Range	640–690 MHz
Receiver Sensitivity	−94 dBm (30 dB)
Image Rejection	>60 dB
Frequency Stability	±0.005%
Modulation Type	FM
Maximum Frequency Deviation	±45 kHz
Audio Response	50 Hz–18 kHz (+3 dB)
Signal-to-Noise Ratio (SNR)	>105 dB
Dynamic Range	>100 dB
Total Harmonic Distortion (THD)	<0.5%
Operating Temperature	−10°C to 55°C
Receiver Power Supply	12 V / 1 A
Transmitter Frequency Range	640–690 MHz
Harmonic Radiation	<−63 dBm
Bandwidth	80 MHz
Maximum Input Sound Pressure Level (SPL)	130 dB SPL
Current Consumption	<110 mA
Transmitter Output Power	30 mW
Frequency Response	50 Hz–18 kHz
Transmitter Power Supply	2 × 1.5 V AA batteries
System Type	UHF single-receiver dual-handheld
Microphone Type	Handheld microphone
Model	MR20

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

Harmonai MR20 UHF single-receiver dual-handheld wireless microphone product image

Product Overview

Harmonai MR20 is a professional UHF single-receiver dual-handheld wireless microphone system designed for conferences, live performances, and various event applications. It operates in the UHF 640–690 MHz frequency band, using FM modulation and a maximum frequency deviation of ±45 kHz to ensure stable, clear wireless audio transmission.

The receiver delivers an exceptional signal-to-noise ratio (SNR) of up to 105 dB, a dynamic range exceeding 100 dB, and total harmonic distortion (THD) below 0.5%, ensuring pristine, natural sound reproduction. The transmitter outputs 30 mW RF power and runs on AA batteries for extended runtime and portability.

Technical Specifications

Receiver Frequency Range

640–690 MHz

Receiver Sensitivity

−94 dBm (30 dB)

Image Rejection

>60 dB

Frequency Stability

±0.005%

Modulation Type

Maximum Frequency Deviation

±45 kHz

Audio Response

50 Hz–18 kHz (+3 dB)

Signal-to-Noise Ratio (SNR)

>105 dB

Dynamic Range

>100 dB

Total Harmonic Distortion (THD)

<0.5%

Transmitter Frequency Range

640–690 MHz

Harmonic Radiation

<−63 dBm

Bandwidth

80 MHz

Maximum Input Sound Pressure Level (SPL)

130 dB SPL

Current Consumption

<110 mA

Transmitter Output Power

30 mW

Frequency Response

50 Hz–18 kHz

Receiver Power Supply

12 V / 1 A

Transmitter Power Supply

2 × 1.5 V AA batteries

Operating Temperature

−10°C to 55°C

Recommended Applications

The Harmonai MR20 single-receiver dual-handheld wireless microphone system is ideal for multiple professional settings: Business Conferences — dual-channel design supports two speakers simultaneously; Educational Training — handheld form factor enables instructors to move freely during lessons; Live Performances — high SNR and wide dynamic range deliver clean, full-bodied sound on stage; Wedding Hosting — UHF band provides strong interference resistance and stable signal transmission, ensuring reliable audio for any event.

For detailed product information, bulk purchasing options, or technical support, contact the Harmonai professional team for a customized quotation.