China Wholesale Portable Karaoke Mic Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie

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We are also focusing on enhancing the things administration and QC program in order that we could keep fantastic advantage within the fiercely-competitive enterprise for 3 Way Crossover For Speakers, Home Entertainment Speaker System, Professional Loudspeakers, We have ISO 9001 Certification and qualified this product .over 16 years experiences in manufacturing and designing, so our products featured with best quality and competitive price. Welcome cooperation with us!
China Wholesale Portable Karaoke Mic Suppliers – 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 Portable Karaoke Mic Suppliers –  Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie detail pictures


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Sticking to the belief of "Creating products of high quality and making friends with people from all over the world", we always put the interest of customers in the first place for China Wholesale Portable Karaoke Mic Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie , The product will supply to all over the world, such as: Lithuania, Vietnam, Cyprus, Our advanced equipment, excellent quality management, research and development ability make our price down. The price we offering may not be the lowest, but we guarantee it is absolutely competitive! Welcome to contact us immediately for future business relationship and mutual success!
  • We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By Caroline from Pakistan - 2017.08.18 18:38
    The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Erica from Cologne - 2018.02.08 16:45
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