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

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We keep on with our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We intention to create extra worth for our buyers with our prosperous resources, superior machinery, experienced workers and superb services for Wireless Boundary Microphone, Home Cinema Sound System, Bluetooth Speaker With Subwoofer, We, with open arms, invite all interested buyers to visit our website or contact us directly for further information.
China Wholesale Ktv 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 Ktv Speaker Suppliers –  Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie detail pictures


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We will make every effort to be outstanding and perfect, and accelerate our steps for standing in the rank of international top-grade and high-tech enterprises for China Wholesale Ktv Speaker Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie , The product will supply to all over the world, such as: Philippines, Riyadh, Spain, With the best technological support, we have tailored our website for the best user experience and kept in mind your ease of shopping. we ensure that the best reaches you at your doorstep, in the shortest possible time and with the help of our efficient logistical partners i.e DHL and UPS. We promise quality, living by the motto of promising only what we can deliver.
  • It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
    5 Stars By Joyce from Liverpool - 2018.09.23 17:37
    Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
    5 Stars By Georgia from Sheffield - 2018.07.27 12:26
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