Highlight Features

Wireless Microphone System – MK-860

The MK-860 Professional UHF Wireless Microphone System is engineered to deliver clear, stable, and high-fidelity audio performance for professional sound applications. Operating in the UHF band with advanced PLL frequency synthesis technology, the system ensures excellent frequency stability, strong anti-interference capability, and reliable signal transmission.

With up to 200 selectable channels (100 × 2) and an operating range of= up to 200 meters, the MK-860 is ideal for live performances, conferences, karaoke systems, events, and speech reinforcement. The ultra-heterodyne dual-conversion receiving design provides high sensitivity and stable reception even in complex RF environments.

Featuring wide audio frequency response, low harmonic distortion, and a high signal-to-noise ratio, the MK-860 delivers natural vocal reproduction with excellent clarity and intelligibility. Multiple audio output options, flexible power supply, and robust construction make this system a reliable solution for professional wireless microphone applications.

Technical Specifications

Specification	MK-860
Frequency Range	UHF 640 – 690 MHz
Adjustable Channels	100 × 2 selectable channels
Oscillation Mode	Phase-Locked Loop (PLL) frequency synthesis
Frequency Stability	±10 ppm
Operating Range	Up to 200 meters
Receiving Method	Ultra-heterodyne secondary frequency conversion
Receiving Sensitivity	−95 to −67 dBm
Audio Frequency Response	20 Hz – 20,000 Hz
Harmonic Distortion / S/N Ratio	≤ 0.5% / ≥ 110 dB
Audio Output	2 × Balanced XLR outputs, 1 × Mixed 6.35 mm unbalanced output
Transmission Power	3 – 30 mW
Modulation Method	Frequency Modulation (FM)
Battery Specification	2 × AA batteries
Power Specification	100–240 V, 50–60 Hz, 12 V DC (switching power adaptor)
Current Consumption	≤ 10 W
Receiver Dimensions (W × D × H)	483 × 174 × 45 ±2 mm
Weight	2.5 ±0.2 kg