Harmonai ACT-802 Lavalier Microphone product image

Product Overview

The Harmonai ACT-802 lavalier wireless microphone is a professional-grade UHF system designed for conferences, presentations, and classroom instruction. It operates within an RF carrier range of 615–695 MHz, supported by digital pilot tone and PLL phase-locked loop frequency synthesis technology, ensuring stable and reliable signal transmission. With a 150-meter unobstructed line-of-sight transmission range and support for up to 30 concurrent units without interference, it meets the demands of large venues.

The belt-pack transmitter features a cardioid condenser capsule, offering a pickup sensitivity of >−20 dBm, effective pickup distance of 50 cm, and a frequency response spanning 100 Hz–18 kHz to faithfully reproduce vocal detail. The receiver includes dual LCD displays, 200 selectable channels, and intelligent low-battery warning to keep you informed of device status at all times.

RF Carrier Range

615–695 MHz (receiver) / 610–780 MHz (belt-pack)

Transmission Distance

150 meters (unobstructed line-of-sight)

Microphone Type

Condenser / Electret · Cardioid polar pattern

Frequency Response

100 Hz–18 kHz (belt-pack) / 100 Hz–15 kHz (receiver ±3 dB)

Signal-to-Noise Ratio (SNR)

>100 dB(A)

Total Harmonic Distortion (THD)

<0.5% (receiver) / <0.01% (transmitter)

Maximum Number of Channels

200 selectable channels

System Compatibility

Up to 30 units operating simultaneously without crosstalk

Output Interfaces

XLR ×2 / 1/4-inch jack ×1

Pilot Tone Method

Digital pilot tone

Frequency Stability

±0.001% (receiver) / ±0.002% (belt-pack)

Battery Life

>5 hours (with two AA batteries, rated at 1800 mAh)

Mobile Phone EMI Resistance

Supported

Recommended Applications

Conferences & Presentations: Lavalier design frees your hands; cardioid polar pattern ensures precise voice capture—ideal for meetings, forums, and lectures.
Educational Training: 150-meter coverage accommodates large classrooms; 30-unit compatibility enables multi-classroom deployment.
Stage Hosting: 200-channel flexibility and professional XLR outputs allow direct connection to mixing consoles for live events and hosting.
Recording & Interviews: High SNR >100 dB and low THD <0.5% guarantee broadcast-quality audio fidelity.

For technical specifications or bulk procurement options for the Harmonai ACT-802 lavalier wireless microphone, contact us today for expert consultation.