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Home/Products/Harmonai ACT-520 Dual-Channel True Diversity Wireless Mic – 500m | Professional Stage Microphone
Harmonai ACT-520 Dual-Channel True Diversity Wireless Microphone System – 500m Range image 1

Harmonai ACT-520 Dual-Channel True Diversity Wireless Mic – 500m | Professional Stage Microphone

The Harmonai ACT-520 is a professional dual-channel true diversity wireless microphone system operating in the UHF band (610–690 MHz), delivering up to 500 meters of reliable trans...

$13.38
Model
ACT-520
Category
Microphones
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Status
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Generated onJune 10, 2026
Harmonai ACT-520 Dual-Channel True Diversity Wireless Microphone System – 500m Range image 1

Product Brief

Harmonai ACT-520 Dual-Channel True Diversity Wireless Mic – 500m | Professional Stage Microphone

Overview

The Harmonai ACT-520 is a professional dual-channel true diversity wireless microphone system operating in the UHF band (610–690 MHz), delivering up to 500 meters of reliable trans...

Price
$13.38
Model
ACT-520
Category
Microphones

Specifications

Specifications

ParameterValue
Reception TechnologyTrue diversity reception—greater range and enhanced stability
Effective Operating Distance500 meters (unobstructed)
Operating Frequency BandUHF 610–690 MHz
Pilot Tone MethodDigital ID pilot tone technology—prevents frequency interference
Signal Encryption2048-bit symmetric encryption algorithm—prevents eavesdropping
Maximum Channel Count520 selectable channels
System CompatibilityUp to 10 units can operate simultaneously
Frequency Response80 Hz–15 kHz (±3 dB)
Dynamic Range>110 dB
Total Harmonic Distortion (THD)<0.5%
Signal-to-Noise Ratio (SNR)>105 dB (A-weighted)
RF Sensitivity-100 dBm (30 dB S/N Ratio)
Image Rejection>75 dB
Output ConnectorsXLR × 2 / 1/4-inch jack × 1
Audio Output LevelXLR: +10 dBV / 1/4-inch: +8 dBV
Output Impedance3 kΩ (XLR / 1/4-inch)
Receiver Operating VoltageDC 12 V
Receiver Power Consumption12 W (operating current: 1000 mA)
Operating Temperature-15°C to 50°C
Microphone Type (Handheld)Dynamic (condenser optional)
Microphone Polar PatternCardioid
Microphone Sensitivity>-20 dBm (1 V)
Transmit Power>+20 dBm (30 mW)
Handheld Microphone Power Consumption150 mA
HarmonAIPage 1 / 1

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
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Contact

Mobile: +86 135 6792 0078

Business email: Sales@frog-is.com

Office

Address: Unit 2, Liandong U Valley, Yinzhou District, Ningbo, Zhejiang

Hours: Monday to Saturday 09:00 - 18:30

Services

Professional audio, conference sound, wireless microphones and commercial AV integration

Harmonai is the global trade platform of Frog-is Acoustic Systems