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China Wholesale Active Floorstanding Speakers Manufacturers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie

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  • China Wholesale Active Floorstanding Speakers Manufacturers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie

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We always get the job done to be a tangible staff to ensure that we can easily offer you the best high-quality and the greatest value for Ktv Karaoke System, Professional Power Amplifier, Active Subwoofer, We always welcome new and old customers presents us with valuable advice and proposals for cooperation, let us grow and develop together, and to contribute to our community and staff!
China Wholesale Active Floorstanding 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 Active Floorstanding Speakers Manufacturers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie detail pictures

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Our merchandise are broadly identified and trusted by end users and can satisfy continually developing economic and social requires for China Wholesale Active Floorstanding Speakers Manufacturers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie , The product will supply to all over the world, such as: Rome, Georgia, Cape Town, With the spirit of "credit first, development through innovation, sincere cooperation and joint growth", our company is striving to create a brilliant future with you, so as to become a most valuable platform for exporting our goods in China!
    • A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.
    5 Stars By Federico Michael Di Marco from Amman - 2018.10.01 14:14
    Timely delivery, strict implementation of the contract provisions of the goods, encountered special circumstances, but also actively cooperate, a trustworthy company!
    5 Stars By Mike from Bhutan - 2018.06.18 19:26
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