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China Wholesale Big Watts Speaker Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie

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  • China Wholesale Big Watts Speaker Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie

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The corporation keeps to the operation concept "scientific management, superior quality and performance primacy, consumer supreme for Ktv Karaoke System, Top Brand Home Theater Speakers, Wholesale Bluetooth Speakers, Together with the everlasting target of "continuous top quality improvement, customer satisfaction", we have been sure that our products high quality is stable and trustworthy and our solutions are best-selling at your home and overseas.
China Wholesale Big Watts Speaker 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 Big Watts Speaker Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie detail pictures

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Excellent 1st,and Client Supreme is our guideline to deliver the ideal provider to our prospects.Nowadays, we have been seeking our best to become certainly one of the most effective exporters in our discipline to meet shoppers more require for China Wholesale Big Watts Speaker Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie , The product will supply to all over the world, such as: Uruguay, Sudan, Serbia, With a wide range, good quality, reasonable prices and stylish designs, our solutions are extensively used in beauty and other industries. Our solutions are widely recognized and trusted by users and can meet continuously changing economic and social needs.
    • The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
    5 Stars By Stephanie from Swansea - 2017.05.31 13:26
    This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
    5 Stars By Ann from Chile - 2018.02.08 16:45
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