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China Wholesale Home Cinema Sound System Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie

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  • China Wholesale Home Cinema Sound System Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie

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Persisting in "High quality, Prompt Delivery, Aggressive Price", now we have established long-term cooperation with consumers from equally overseas and domestically and get new and old clients' large comments for Home Theater System, Audio System, Small Home Theater Speakers, Welcome any of your inquiries and concerns for our products, we look forward to establishing a long-term business relationship with you in the near future. contact us today.
China Wholesale Home Cinema Sound System 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 Home Cinema Sound System Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie detail pictures

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Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for China Wholesale Home Cinema Sound System Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie , The product will supply to all over the world, such as: azerbaijan, Sri Lanka, Suriname, Our items have national accreditation requirements for qualified, high quality products, affordable value, was welcomed by people today all over the world. Our goods will continue to enhance within the order and look forward to cooperation with you, Should any of these products be of interest to you, please letus know. We are going to be content to offer you a quotation up on receipt of your detailed needs.
    • The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
    5 Stars By John from Canada - 2017.04.08 14:55
    This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
    5 Stars By Agnes from Brisbane - 2017.08.16 13:39
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