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

Short Description:


Product Detail

Product Tags

Related Video

Feedback (2)

It is a good way to improve our products and service. Our mission is to develop creative products to customers with a good experience for Karaoke Speaker With Microphone, Trs Professional Karaoke Amplifier, Wireless Karaoke Microphone, Adhering to the business philosophy of 'customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us.
China Wholesale Wholesale Speaker Factories – 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.


Product detail pictures:

China Wholesale Wholesale Speaker Factories –  Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie detail pictures


Related Product Guide:

We have been experienced manufacturer. Wining the majority of the crucial certifications of its market for China Wholesale Wholesale Speaker Factories – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie , The product will supply to all over the world, such as: Brasilia, Maldives, Brunei, We solution have passed through the national skilled certification and been well received in our key industry. Our specialist engineering team will often be ready to serve you for consultation and feedback. We've been able to also provide you with no cost samples to meet your needs. Best efforts are going to be produced to supply you the very best service and solutions. For anyone who is considering our business and solutions, please speak to us by sending us emails or get in touch with us right away. As a way to know our items and enterprise. lot more, you'll be able to come to our factory to find out it. We'll constantly welcome guests from around the globe to our firm. o build enterprise. elations with us. You should really feel absolutely free to make contact with us for small business and we believe we'll share the top trading practical experience with all our merchants.
  • 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 Mary from Cannes - 2017.02.28 14:19
    This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Ada from Rwanda - 2017.01.11 17:15
    Write your message here and send it to us