China Wholesale Best 3 Way Component Speakers Manufacturers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie

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To be able to ideal satisfy client's requirements, all of our operations are strictly performed in line with our motto "High High-quality, Competitive Price tag, Fast Service" for Professional Mixer Amplifier, Wireless Boundary Microphone, Active Outdoor Speakers, We sincerely welcome pals to negotiate enterprise and start cooperation. We hope to join hands with pals in different industries to produce a outstanding foreseeable future.
China Wholesale Best 3 Way Component Speakers Manufacturers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie Detail:

System indicators

Radio frequency range: 645.05-695.05MHz (A channel: 645-665, B channel: 665-695)

Usable bandwidth: 30MHz per channel (60MHz in total)

Modulation method: FM frequency modulation Channel number: infrared automatic frequency matching 200 channels

Operating temperature: minus 18 degrees Celsius to 50 degrees Celsius

Squelch method: automatic noise detection and digital ID code squelch

Offset: 45KHz

Dynamic range: >110dB

Audio response: 60Hz-18KHz

Comprehensive signal-to-noise ratio: >105dB

Comprehensive distortion: <0.5%

Receiver indicators:

Receiving mode: double-conversion superheterodyne, dual-tuning true diversity reception

Oscillation mode: PLL phase locked loop

Intermediate frequency: the first intermediate frequency: 110MHz,

The second intermediate frequency: 10.7MHz

Antenna interface: TNC seat

Display mode: LCD

Sensitivity: -100dBm (40dB S/N)

Spurious suppression: >80dB

Audio output:

Unbalanced: +4dB(1.25V)/5KΩ

Balance: +10dB(1.5V)/600Ω

Power supply voltage: DC12V

Power supply current: 450mA

Transmitter indicators: (908 launch)

Oscillation mode: PLL phase locked loop

Output power: 3dBm-10dBm (LO/HI conversion)

Batteries: 2x“1.5V No. 5”batteries

Current: <100mA(HF), <80mA(LF)

Use time (alkaline battery): about 8 hours at high power

Simple malfunction treatment

malfunction symptoms

Malfunction cause

No indication on receiver and transmitter

No power on transmitter, receiver power is not connected properly

The receiver has no RF signal

The receiver and transmitter frequency bands are different or out of the acceptable range

There is radio frequency signal, but no audio signal

The transmitter microphone is not connected or the receiver squelch is too deep

Sound guidance circuit malfunction

Setting silent mode

Audio signal background noise is too large

Transmit modulation frequency deviation is too small, receive output electrical Level is low, Or there is an interference signal

Audio signal distortion

Transmitter modulation frequency deviation is too large, receiver output electrical Level is too large

The use distance is short, the signal is unstable

The transmitter setting power is low, and the receiver squelch is too deep.

Improper setting of receiver antenna and strong battery interference around.


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China Wholesale Best 3 Way Component Speakers Manufacturers –  Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie detail pictures


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Along with the "Client-Oriented" enterprise philosophy, a rigorous high-quality control process, superior production products along with a robust R&D group, we constantly deliver premium quality products, exceptional solutions and aggressive costs for China Wholesale Best 3 Way Component Speakers Manufacturers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie , The product will supply to all over the world, such as: Belgium, Italy, Rotterdam, The quality of our products is equal to OEM's quality, because our core parts are the same with OEM supplier. The above products have passed professional certification, and we not only can produce OEM-standard products but we also accept Customized Products order.
  • Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
    5 Stars By Pamela from Costa rica - 2018.11.22 12:28
    As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
    5 Stars By May from Jakarta - 2017.09.30 16:36
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