640MHz UHF Wireless Microphone System with Headset Clip and Handheld Lapel Design for Stage Performances
Product Details
| Model NO.: | MI-1801B | Signal Transmission: | Wireless |
|---|---|---|---|
| Directivity: | Omni-direction | Sound Channel: | Stereo |
| Transducer Principle: | Electrodynamic Microphone | Sound Field Force: | Pressure Differential Type |
| Connector(s): | XLR 3 Pin | Wireless Technology: | UHF |
| Output Impedance: | 50-1000Ω | Carrier Frequency: | UHF610-640MHz |
| Battery: | 1.5AA×2 | Oscillation Mode: | Pll Phase-Locked Frequency Synthesis |
| Band Width: | 30MHz | S/N: | > 80dB |
| Maximum Offset: | ±48kHz | Comprehensive S/N Ratio: | > 102dB |
| Transport Package: | Carton | Specification: | 483*200*88MM |
| Trademark: | MEKEY | Origin: | China |
| HS Code: | 8518100090 | Production Capacity: | 2000PCS/Month |
| Highlight |
Lapel Wireless Microphone System,640MHz Wireless Microphone System,640MHz lapel microphone wireless |
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Product Description
The Mekey Mi-1801b is a single-channel wireless microphone system engineered for large-scale stage performances, speeches, and major sporting and cultural events. It supports handheld, headset clip, head-mounted, and instrument configurations, delivering reliable UHF transmission with automatic frequency scanning for interference-free operation.
- Specifically designed for large-scale stage performances, speeches, and various large-scale sports and cultural events.
- Single-channel independent AFS automatic frequency search function quickly scans for the frequency with the least interference in the working environment.
- Supports up to 6 built-in stackable units, allowing rapid simultaneous use of 6 sets in the same location. Handheld and lapel modes are switchable.
- LED display of multi-segment RF and audio channel working status. Precise electronic volume control technology, multiple adjustable microphone receiving distances, and a hidden lock key function to prevent misoperation.
| Body Material | All-aluminum metal pipe body |
|---|---|
| Oscillation Mode | PLL phase-locked frequency synthesis |
| Carrier Frequency Band | UHF 610–640 MHz |
| Band Width | 30 MHz |
| Frequency Adjustment | Automatically lock the receiver working channel / manual adjustment |
| Output Power | H: 15 mW, L: 10 mW |
| Harmonic Radiation | < 55 dBc |
| Maximum Offset | ±48 KHz |
| Sound Head | Dynamic type |
| Batteries Used | (AA) Two batteries |
| Operation Display | LCD simultaneously shows battery capacity and channels |
| Oscillation Mode | PLL phase-locked frequency synthesis |
|---|---|
| Radio Frequency Stability | ±0.005% (−10 to 50℃) |
| Carrier Frequency | UHF 610–640 MHz |
| Frequency Width | 30 MHz |
| Channel | 100 CH (in steps of 300 KHz) |
| Sensitivity | At an offset of 25 KHz, when input is −95 dBm, S/N > 80 dB |
| Maximum Offset | ±48 KHz |
| Comprehensive S/N Ratio | > 102 dB |
| Comprehensive T.H.D | < 0.5% @ 1 KHz |
| Frequency Response | 60 Hz to 15 KHz |
| Maximum Output Voltage | 0 dBV @ 45 KHz |
| Output Sockets | XLR balanced type and 6.3 unbalanced type |
| Silent Control Mode | Dual silent control for audio code and noise |
| Mute Adjustment | −65 dB to −100 dB |
| Power Supply | DC 12–15 V / 1000 mA |
Guangzhou Jiuding Audio-Visual Technology Co., Ltd. is a comprehensive enterprise integrating R&D, production, and sales, and owns the high-quality "MEKEY" brand of professional audio equipment.
The company operates its own large modern industrial plant covering over 6,000 square meters, equipped with advanced processing production lines and a complete online detection system. It possesses core technologies in crossover boards, speaker units, and audio processing systems. The factory includes a product research and development department, production department, quality inspection department, and a product exhibition hall.
Guangzhou Jiuding Audio-Visual Technology Co., Ltd. offers a complete product range and is capable of providing customers with overall solution services, including scheme design, drawing design, bidding and tendering. Products include professional speakers, audio-visual speakers, professional power amplifiers, conference microphones, paperless meeting systems, conference recording and broadcasting, video conferencing systems, central control systems, and video matrix systems, suitable for various outdoor and indoor performances. These products have been repeatedly applied in fields such as the military, government, public institutions, and large enterprises, with over 200,000 successful cases and a very high reputation.
Jiuding Audio and Video assisted in nurturing the seed bank of Chinese cultural heritage at the China National Archives Library.
Product Highlights
Product Overview The Mekey Mi-1801b is a single-channel wireless microphone system engineered for large-scale stage performances, speeches, and major sporting and cultural events. It supports handheld, headset clip, head-mounted, and instrument configurations, delivering reliable UHF transmission ...
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