Carrier Frequency Range
500–599 MHz
Professional audio, microphones and system integration

Harmonai SOM-87 is a professional UHF wireless handheld microphone operating in the 500–599 MHz carrier frequency band. Equipped with automatic frequency response technology, its frequency response covers 120 Hz–12 kHz (±3 dB), fully encompassing the entire human vocal range. With a signal-to-noise ratio exceeding 80 dB and total harmonic distortion controlled to under 1%, every vocal performance is reproduced with exceptional clarity, purity, and fidelity. Powered by two AA alkaline batteries, it is lightweight, portable, and ready to use instantly.
500–599 MHz
120 Hz–12 kHz (±3 dB)
>80 dB
12 dBμV
<1%
±0.1%
2 × 1.5 V AA alkaline batteries
Thanks to its outstanding sound quality and stable UHF wireless transmission, the SOM-87 is widely used in conference speaking, education & training, KTV entertainment, live stage performances, and wedding hosting—any scenario demanding high-fidelity vocal amplification. Its high S/N ratio and low distortion ensure every spoken word is clear, powerful, and reliable—making it a trusted choice for professional audio practitioners.
Learn more about the Harmonai SOM-87 professional wireless microphone—contact us for bulk pricing and technical support.