Product Overview

The Harmonai ACT-802 headworn wireless microphone is a professional-grade UHF true diversity system, operating across 615–695 MHz (receiver) / 610–780 MHz (transmitter), with 200 selectable channels and an effective transmission range of up to 150 meters. Equipped with PLL phase-locked loop frequency synthesis and a digital pilot tone system, it ensures stable, interference-free signal transmission—supporting up to 30 units operating simultaneously without crosstalk.

The headworn design pairs with a cardioid condenser capsule, delivering a frequency response of 100 Hz–18 kHz and a signal-to-noise ratio exceeding 100 dB (A). Total harmonic distortion is below 0.5%, enabling precise capture and natural reproduction of vocal clarity. The belt-pack transmitter features an LCD display and intelligent low-battery warning, offering over 5 hours of continuous operation—ideal for extended performances and meetings.

Recommended Applications

The Harmonai ACT-802 headworn wireless microphone is engineered for professional use in live stage performances, conference presentations, classroom instruction, and live streaming/recording. Its hands-free headworn form factor, cardioid directional pickup, and 150-meter transmission range cover venues of all sizes. With 200-channel auto-scan and support for 30 simultaneous units, it handles large-scale events and multi-mic setups with ease. Digital pilot tone and PLL technology ensure reliable performance even in complex electromagnetic environments.