Receiver Operating Voltage
DC 12V / 800mA
Product Overview
Harmonai ACT-802 Handheld Wireless Microphone is a professional-grade UHF wireless mic using a 615–695 MHz RF carrier frequency and PLL phase-locked loop frequency synthesis technology, delivering stable and reliable wireless audio transmission. The handheld unit features a cardioid dynamic capsule that effectively suppresses ambient noise and feedback. Combined with intelligent LCD displays and low-battery warning functionality, it ensures confident operation in any environment. It supports 200-channel automatic frequency selection and allows up to 30 units to operate simultaneously without interference—ideal for KTV rooms, conference presentations, and live stage performances.
RF Carrier Frequency Range
615–695 MHz
Operating Distance
150 meters (line-of-sight, unobstructed)
Maximum Number of Channels
200 channels
Simultaneous Units Supported
30 units
Frequency Response (Receiver)
80 Hz – 15 kHz (±3 dB)
Signal-to-Noise Ratio
>100 dB (A-weighted)
Total Harmonic Distortion (THD)
<0.5%
Dynamic Range
>110 dB
Receiver Sensitivity
−105 dBm
Output Connectors
XLR × 2 / 6.35 mm jack × 1
Audio Output Level
XLR: +10 dBV / 6.35 mm: +8 dBV
Microphone Type
Dynamic
Polar Pattern
Cardioid
Microphone Sensitivity
>−20 dBm (1 V)
Transmit Power
>10 dBm (10 mW)
Frequency Response (Handheld Mic)
80 Hz – 18 kHz
RF Output Power
30 mW
Handheld Mic Power Supply
1.5 V × 2 (AA batteries)
Battery Life
>5 hours (based on 1800 mAh capacity)
Handheld Mic Length
22 cm
Effective Pickup Distance
30 cm
Mobile Phone EMI Interference Protection
Yes
Display
LCD × 2 (receiver) / LCD (handheld)
Pilot Tone Method
Digital pilot tone
Frequency Synthesis Technology
PLL phase-locked loop
Adjacent-Channel Interference Rejection
>60 dB
Operating Temperature Range
0–50 °C
Recommended Applications
The ACT-802 handheld wireless microphone delivers versatile performance across professional environments thanks to its cardioid pickup pattern and 150-meter stable transmission range: ideal for KTV rooms and entertainment venues, where the cardioid capsule minimizes ambient noise during vocal performances; conference rooms and auditoriums, supporting up to 30 simultaneous units without interference for large-scale events; live stage performances and outdoor events, leveraging the UHF professional band for robust signal integrity; and education, training, and wedding hosting, where intuitive handheld operation and real-time LCD status monitoring enhance usability.
Explore more Harmonai wireless microphone models—or contact us for expert system recommendations and bulk pricing.
Harmonai ACT-518 Dual-Channel True Diversity Wireless Microphone
The Harmonai ACT-518 is a professional dual-channel true diversity wireless microphone system with PLL frequency synthesis and infrared auto-sync, delivering stable transmission up to 500 meters in open spaces. Two mics operate simultaneously without interference, powered by two AA batteries for ~8 hours.$20.63
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