Complaint
Four Channel wireless microphone conference
1. It adopts the newly designed EIA international standard metal case and four channel receiver.
2. UHF ultra-high frequency band and four channel dual receiving digital pilot technology are adopted, which has less interference and more reliable transmission than the traditional VHF band;
3. UHF all digital processing technology adopts PLL technology, with 200 selectable channels and free frequency modulation.
4. The built-in frequency automatic scanning function of the wireless receiver can quickly search and lock the undisturbed frequency in the working state; Automatically select the most ideal working channel.
5. Four external omni-directional high gain antennas are adopted to enhance the dual frequency performance, ensure the stable output of the signal and prevent the phenomenon of frequency and sound interruption.
6. The panel adopts LCD display window to display various functions and data at a glance, and replaces the traditional complex key operation with easy-to-operate electronic volume knob.
7. The front shuttle knob is designed to replace the traditional complex keys and cooperate with LCD two-color LCD screen, so the operation is fast and simple;
8. Original and efficient audio circuit to restore real sound, high fidelity voice, exquisite sound quality and not easy to scream.
[receiver]
| Oscillation mode | PLL phase locking frequency synthesis |
| Carrier frequency band | 641-690.85mhz |
| Receiving sensitivity | -98dbm |
| Receiving method | superheterodyne |
| Effective working distance | About 70m |
| Channel interval | 250kHz |
| Frequency response | 65Hz ~ 18khz±3dB |
| Audio output | 1000mV |
| Antenna interface | BNC (50Ω) |
| Power consumption | DC12V * 330mA |
| Weight | 4.3kg |
| Size | 421×43×206mm |
[conference seat]
| Carrier frequency band | 641-690.85mhz |
| Transmitting power | 10dBm |
| Modulation mode | FM |
| Selectable channels | 50*4=200 |
| Channels interval | 250kHz |
| Frequency stability | ±10ppm |
| Maximum modulation system | +45khz |
| Antenna | built in spiral type |
| Power consumption | about 120mA |
| Length of conference microphone | 420mm for gooseneck type / 200mm for gun type |
You can choose flight case packing
Branch Company - Guangzhou MingXuan Audio Co., Ltd was established in 2012. Mingxuan Audio is focus on high quality audio products such as speaker, amplifier, mixer, microphone, especially outdoor high-power active speakers.
There are professional design team, sales team, customer service team and technical team to service all customer . Based on high quality & competitive prices & better service, our products have entered the Americas, Europe, Asia, Africa markets successfully, such as USA, Canada, UK, Germany, France, Singapore, Japan, Nigeria etc, and get good feedback.
1. Provide professional person to communicate with you before the order.
2. Provide strict quality check for each part, each process before export.
3. Provide optimum system solution based on each client's specific requirement.
4. Provide complete post-sale service, including installation, technical guide and training.
Q: Do you offer guarantee for the products?
A: Yes, we offer 2 years warranty to our products.
Q:What is your product range?
A:We are mainly offer all kind of stage lighting and audio-visual equipment etc.
Q: Can you help me to print our logo or company name on the products or package?
A: Of course. Your logo can be printed on the products or package.
Q: If the products broken during the warranty, what should I do?
A: If there is a problem with the products, please describe it and send videos or pictures to us to analyze. Then we will guide you how to fix it and provide spare parts on free if needed.
