Receiving Frequency Bands
470–510 MHz / 539–559 MHz / 780–820 MHz / 740–820 MHz / 615–665 MHz
Professional audio, microphones and system integration

The Harmonai EM600 Stereo Wireless Monitor System (1-Transmitter, 1-Receiver) is a professional-grade wireless monitoring solution designed for demanding audio applications. It employs PLL phase-locked frequency synthesis technology and supports multiple UHF bands: 470–510 MHz / 539–559 MHz / 780–820 MHz / 740–820 MHz / 615–665 MHz, ensuring stable and reliable wireless audio transmission. The receiver delivers a high-fidelity 80 Hz–15 kHz ±3 dB audio response, with dual-channel output power of 2×35 mW, guaranteeing clear and full-bodied monitoring sound. The transmitter features combined XLR and 6.3 mm audio inputs, enabling direct connection to professional audio equipment such as mixing consoles and audio interfaces — suitable for live stage performance, studio monitoring, live streaming, and more.
470–510 MHz / 539–559 MHz / 780–820 MHz / 740–820 MHz / 615–665 MHz
25 MHz
Single-tuning
80 Hz–15 kHz ±3 dB
2×35 mW @ 1 kHz (32 Ω)
≥16 Ω
3.5 mm stereo headphone jack
PLL phase-locked frequency synthesis
2 × AA batteries
470–510 MHz / 539–559 MHz / 780–820 MHz / 740–820 MHz / 615–665 MHz
100 mW (50 Ω)
Combined XLR and 6.3 mm jack
6.3 mm stereo jack with adjustable volume
DC 12 V / 1 A
TNC socket (50 Ω)
1-Transmitter, 1-Receiver stereo wireless monitor system
The Harmonai EM600 Stereo Wireless Monitor System is widely used in live stage performances for real-time monitoring by musicians and vocalists; in recording studios for mix monitoring by engineers; in live streaming for signal monitoring by directors and audio technicians; and in conference events for wireless monitoring by professional audio teams. Its multi-band coverage and PLL phase-locking technology ensure stable wireless signal transmission even in complex electromagnetic environments.
For detailed product specifications, pricing, and technical support for the Harmonai EM600 Stereo Wireless Monitor System, contact us today for a tailored professional solution.