Shenzhen Tendzone Intelligent Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of 4ch wireless handheld microphone system in China. Please feel free to wholesale high quality 4ch wireless handheld microphone system made in China here from our factory. We also accept customized orders.
Overview
The wireless system uses UHF band wireless transmission signals, four antennas and four channels to receive signals, and has 200 optional channels, which is convenient for multiple systems to be used at the same time and easily avoid various interferences. The rack- mounted receiver is easy to install on site.
Four -channel receiver uses four antennas, a detachable design, and automatic tracking tuning technology to ensure that the system maintains optimal stability at any frequency. It is equipped with four handheld condenser microphones , uses high-quality dynamic pickups, and advanced voice transmission technology to ensure that the conference unit has clear sound quality and high fidelity.
Features
- UHF frequency band transmission signal, infrared frequency matching, manual frequency selection is convenient for on-site debugging ;
- Use stable PLL digital phase-locked loop synthesis technology and intelligent digital circuit to avoid interference frequency;
- Two channels can receive signals up to 200 channels, which are universal for handheld waist packs, have strong anti-interference ability , and can communicate and use each other in the channels, showing a humanized high-tech design;
- Each channel is equipped with a unique ID number to enhance anti-interference function, supporting up to 12 units in use at the same time (i.e. 12 receivers and 24 transmitters);
- The host panel adopts aluminum alloy coloring process, and each channel has 3 function buttons to achieve multi-functional operation;
- Quadruple LCD display screen, showing working channel, working frequency, RF receiving signal, AF audio signal, lock screen indication, real-time power of conference seat, and real-time feedback of system working status;
- It has a switch noise elimination circuit to avoid the huge impact sound when turning on the switch, ensuring the safety of the post-amplifier system and speakers ;
- It has one-key automatic search for idle frequency points and one-key frequency locking function ;
- With a dedicated condenser microphone core and self-created audio processing technology, it effectively improves the pickup distance and speech clarity , with rich mid- and high-frequency sounds, a large dynamic range , a magnetic and thick sound , and prominent human voices, providing a better conference experience ;
- Use distance: Open environment: 80-100 meters Complex environment: 50-80 meters
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SPECIFICATIONS
|
General Performance Of Receiver |
|
|
Number of channels |
Four channels |
|
RF operating range |
640～ 690 MH Z ( customized frequency can be used according to different countries and regions) |
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Maximum number of channels |
200 |
|
Audio frequency range |
40 -16 kHz ( ±3dB ) |
|
Modulation |
FM |
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Harmonic distortion |
<0.5% (1kHz, 25mVrms) |
|
Comprehensive signal-to-noise ratio |
≥ 60 dB |
|
Dynamic Range |
≥ 100 dB |
|
Maximum frequency deviation |
±30KHz |
|
Channel spacing |
250KHz |
|
Frequency stability |
±0.001% |
|
Power specifications |
DC12V / 1.5A |
|
Dimensions (L x W x H) |
480mm x 180mm x 45mm |
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Weight |
1. 85 Kg |
|
General Performance Of Handheld Microphone |
|
|
RF frequency range |
640- 690MHz (optional) |
|
Sensitivity |
-40 dB |
|
Directivity |
Heart |
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Pickup Type: |
Capacitive |
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Oscillation mode |
PLL |
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Audio frequency range |
20Hz - 16KHz ( ± 3dB ) |
|
Frequency stability |
±0.001% |
|
Harmonic distortion |
<0.5% (1kHz, 25mVrms) |
|
Dynamic Range |
≥106dB |
|
Signal-to-Noise Ratio |
9 5 dB(A) |
|
Adjacent Channel Interference Ratio |
>80dB |
|
Battery Specifications |
1.5V AA batteries 2 pieces |
|
Microphone power consumption |
120 mA, battery life: 10-15 hours |
|
Weight |
0.35 Kg |
Application
Meeting Rooms
Conference Center
House of Worship
Courtrooms
Classrooms
Training Rooms
Hotels
Lecture Halls
All Hand Space
