Operating Frequency
615–665 MHz
Professional audio, microphones and system integration

The Harmonai LEO-9000 is a professional-grade UHF wireless microphone system operating across the 615–665 MHz frequency band, offering 200 selectable channels with only 250 kHz channel spacing—ensuring reliable signal transmission even in complex electromagnetic environments. It features advanced infrared (IR) sync technology, enabling one-touch rapid pairing between transmitter and receiver for effortless operation. The receiver includes an LCD display that shows real-time transmitter battery level, helping users monitor device status and prevent unexpected interruptions during performances. Its robust, professional design makes it ideal for stage performances, conference presentations, KTV entertainment, and other demanding audio applications.
615–665 MHz
Infrared (IR) sync, frequency-matching technology
200 channels
50 MHz
250 kHz
±0.005%
>105 dB
<0.5%
Up to 80 meters (open environment)
50 Hz – 18 kHz
10 mW
2 x AA batteries (size R6)
Displays transmitter battery level
With its 80-meter operating range and 200-channel auto-scan capability, the LEO-9000 is widely used in live stage performances, conference presentations, KTV venues, classroom training, and wedding events. Its IR sync function allows non-technical users to set up quickly, while the >105 dB S/N ratio ensures clean, noise-free audio reproduction in any environment.
Learn more about Harmonai professional audio products—contact us today for personalized quotes and technical support.