China Wholesale Wireless Boundary Microphone Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie

Short Description:


Product Detail

Product Tags

Related Video

Feedback (2)

We retain bettering and perfecting our merchandise and service. At the same time, we do the job actively to do research and improvement for Entertainment Center Speakers, Home Theater Mini Speakers, Outdoor Speaker, We wish to just take this opportunity to ascertain long-term enterprise relationships with clients from all over the earth.
China Wholesale Wireless Boundary Microphone 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.


Product detail pictures:

China Wholesale Wireless Boundary Microphone Suppliers –  Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie detail pictures


Related Product Guide:

Our target is to consolidate and improve the quality and service of existing products, meanwhile constantly develop new products to meet different customers' demands for China Wholesale Wireless Boundary Microphone Suppliers – Professional home karaoke KTV wireless microphone set wireless mic transmitter – Lingjie , The product will supply to all over the world, such as: New Zealand, Myanmar, Vietnam, We integrate all our advantages to continuously innovate, improve and optimize our industrial structure and product performance. We will always believe in and work on it. Welcome to join us to promote green light, together we will make a better Future!
  • The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Diana from Porto - 2017.11.01 17:04
    Problems can be quickly and effectively resolved, it is worth to be trust and working together.
    5 Stars By Steven from Ecuador - 2018.06.05 13:10
    Write your message here and send it to us