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

Harmonai GP-8600 is a professional dual-channel true diversity wireless microphone system designed for stage performances. Featuring UHF (ultra-high-frequency) transmission, true diversity reception, dual-CPU control, PLL phase-locked loop frequency synthesis, large LCD display, and a rugged metal enclosure, it offers 160 selectable frequencies, intuitive operation, and exceptional signal stability. The entire unit is microcomputer CPU-controlled, enabling intelligent functions including frequency selection, display, mute locking, and battery level monitoring. It delivers an outstanding composite S/N ratio of up to 108 dB and a composite T.H.D. of less than 0.4%, meeting professional-grade audio performance requirements.
615–665 MHz
FM (Frequency Modulation)
PLL Phase-Locked Loop Frequency Synthesizer
±0.0005%
2 × 80 frequencies (160 total)
>108 dB
<0.4% @ 1 kHz
65 Hz–18 kHz ± 3 dB
±45 kHz
Up to 100 meters (line-of-sight)
XLR balanced + 6.3 mm unbalanced
Balance: −20 dBV/100 Ω; Unbalanced: −4 dBV/5 kΩ
30 mW (standard 8 mW, optional 15 mW)
50 Hz–18 kHz
130 dB SPL
Handheld dynamic
2 × AA batteries
<150 mA
DC 12 V–2 A / AC 100–240 V, 50/60 Hz
< −63 dBm
CNAS/CMA test report, ISO 9001 Quality Management System, ISO 14001 Environmental Management System, ISO 45001 Occupational Health and Safety Management System, China Energy-Saving and Environmental Protection Product Certification, China Green Environmental Protection Product Certification
Thanks to its professional UHF wireless transmission, 160 selectable frequencies, and 100-meter effective range, the Harmonai GP-8600 is widely used in:Professional Stage Performances — ideal for duet or call-and-response singing, with independent dual channels operating without interference;Conference & Public Speaking — large LCD display and automatic clean-channel search ensure quick, hassle-free setup;KTV Entertainment Venues — dual balanced/unbalanced outputs connect seamlessly to mixers and KTV effects processors;Large-Scale Events & Wedding Performances — robust metal housing and handheld smart mute-locking deliver reliability and peace of mind. Backed by authoritative CNAS/CMA testing and multiple international quality certifications, this system guarantees consistent, high-performance audio.
For more information about the Harmonai GP-8600 professional wireless microphone system—or to request bulk pricing—please contact us anytime.