Highlight Features

Wireless Microphone System – KMC-300

The KMC-300 Professional UHF Wireless Microphone System is designed to deliver clear, stable, and reliable audio performance for professional sound applications. Operating in the UHF band with up to 300 selectable frequency channels and a reliable transmission range of up to 200 meters, the system ensures strong signal stability even in complex RF environments.

The KMC-300 supports multiple microphone configurations, including handheld, headset, and gooseneck microphones, offering excellent flexibility for live performances, conferences, presentations, and events. Featuring digital DQPSK modulation and advanced antenna diversity technology with four antennas, the receiver provides high sensitivity, low distortion, and
consistent audio quality. With wide frequency response, low total harmonic distortion, and a high signal-to-noise ratio, the KMC-300 delivers natural vocal reproduction and clear speech intelligibility. Designed for reliability and ease of use, this wireless microphone system is an ideal solution for both vocal and speech applications in professional audio systems.

Technical Specifications

Specification	KMC-300
Microphone Type	Wireless handheld (supports handheld, headset, and gooseneck microphones)
Quantity	2 microphones
Frequency Channels	300 selectable channels
Operating Range	Up to 200 meters
Transmission Power	FM
Transmitter Frequency Range	550 – 999 MHz
Modulation Type	Digital DQPSK
Transmitter Impedance	500 Ω
Carrier Frequency Deviation	10 ppm
Maximum Frequency Deviation	±40 kHz
Receiver Operating Frequency Range	540 – 590 MHz (PLL phase-locked loop)
Receiver Channels	2 × 100 selectable frequency channels
Receiver Sensitivity	−40 to −55 dB
Frequency Response	30 Hz – 20 kHz
Antenna System	4 antennas with antenna diversity technology
Signal-to-Noise Ratio (S/N)	>60 dB
Total Harmonic Distortion (THD)	0.05% @ 1 kHz
Power Supply	AC adapter 100 – 240 V, 50 / 60 Hz
Receiver Dimensions (W × D × H)	483 × 174 × 45 ±2 mm
Weight	2.5 ±0.2 kg