*U for a second wireless microphones,Max distance is 120 meters, 

 *UHF band,many sets of machine used at the same time,easy to avoid distractions, 

 *Characteristic of a transmitter and a receiver set lock function,prevent the use of wrong operation, 

 *At the same time, can be used as many as 200 transmitters, 

 *Frequency Domain:520-920MHz, 

 *Wideband FM modulation way, 

 *Channel numbers:100, 

 *Channel Spacing:250KHz, 

 *Transmitter:moving coil microphone,capacitance(clip microphone,wearing),high power 30 mw, 

 *3mw low power discrete inhibition -60dB

*V section2-channel wireless with 4 *microphones, 

 *Frequency control:quartz lock, 

 *Receiving Frequency Range:VHF 190mHz-220mHz,220mHz-270mHz, 

 *Max.Use Distance:100 meters, 

 *Max.deviation degree:+/-15KHz, 

 *Level Limit Frequency Stability:0.005% @ 25c.S/N:>100dB,THD:<0.5%, 

 *Frequency Range:80Hz-16KHz, 

 *Harmonic Interference Than:>80dB, 

 *Transmitted power:<=10mw, 

 *VTX:Cascading 9V battery, 

 *Mute Control:sound codes and noise locking double mute control.

 *Sensitivity:Input 10-15 Db UV,S/N:>70 dB, 

 *Case Size:207*420*44, 

 *International Standard 19" panel output socket:XLR Balanced type and P type is not balanced, 

 *Output Intensity:600-12 dB balanced type and 0-2dB/5000, 

 *Unbalanced subharmonic:>-50dBc, 

 *Receiver Power Supply:DC 16V=250MAh

Wireless Microphone,300 meters long LHY-550, 

 *U for a second wireless microphone,distance of up to 300 meters, 

 *Frequency range:740-790 MHz, 

 *Number of channels:2, 

 *Channel number:200,can use many sets of extension,channel with general, 

 *At least 6 machines,strong anti-jamming capability, 

 *PLL phase-locked loop technology,frequency stability<+100Hz, 

 *Transmission high power and low switch, 

 *Launch operation locking, 

 *Infrared automatic frequency, 

 *Multiple noise automatic control, 

 *2 channel line hybrid output,XRL independent output, 

 *LCD display channel and battery, 

 *To launch the battery low voltage flicker automatically shut down to 1.6V, 

 *Receive the channel LCD display respectively,frequency channel,the strength of RF,mute,interior of the antenna,and each index in the menu to adjust content, 

 *Receiver manual volume, 

 *System using the environment,temperature -20℃ to 45℃,relative humidity of 85%, 

 *Working distance:indoor is more than 100 meters,outdoor is 300-300 meters.

Wireless Microphone,300 meters long LHY-560, This series of product for four channels infrared automatic frequency of multi-channel wireless microphone,200 frequency points are optional,products with less noise interference of UHF frequency band PLL phase locking technology,increasing to 250 KHz between each frequency point.Perfect noise interference characteristics,no similar system can match,all metal material standard case.1 U metal panel configuration 4 channel receiver.LCD screen assembly ,respectively,according to working channel,working frequency,the audio signal,Good and fast understand all the actions of the receiver information.Electronic operationbuttoncontrol panel.host 4-way balanced audio output plugs respectively,and 1 road mixed unbalanced output,comprehensive to meet the needs of all kinds of connections. Receiver Parameter: 

*Oscillation:PLL syntheized, *Carrier Frequency Range:UHF 740MHz-790MHz, 

 *Frequency Stability:±0.001%, 

 *Max.Eviation Range: ±50KHz, 

 *Modulation Mode: Frequency Adjustment FM, 

 *S/N Ratio:≥110 dB, *T.H.D:≤0.5% @ 1KHz, 

 *Sensitivity:-95dB, 

 *Power Supply:DC 12V-17V, 

 *Audio Output:the equilibrium output and unbalanced output, Shoot Machine Parameter: 

 *Power Supply: DC 3V(1.5V 2*AA), 

 *Consumer an electricity quantity:100mA, 

 *Carry a frequency:UHF 740MHz-790Mhz, 

 *Frequency Stability:±10ppm, 

 *S/N Ratio:≥110dB, 

 *F/N Ratio:>80dB, 

 *Dynamic Range:≥100 dB, 

 *Type:Capacitance, 

 *Polar Pattern: 1 direction, 

 *Frequency Response:40Hz-20KHz, 

 *Sensitivity:-47±3dB @ 1KHz

Guangzhou Lingyin Electronic is a set design,development,production and sales of high-tach enterprises of the public broadcasting system. 

Since 2005, over 10 years OEM /ODM experience in Pulic Address System and Professional Audio System, strict quality control and good price.

Product Advantages:

1. Stable quality,Good price

2.Short product period

3. On time delivery

4. OEM Ability

5. Excellent R&D team

Our Service:

1.Products design: We will help our customers to design the full products line

2.Quality Stability : We assure the quality stability ,once there is quality problem happen, we will withdraw the cargoes unconditionally .

3.Pre-production sample confirmation-after get customers 30% deposit . within 7 days we will provide pre-production sample to customers for confirmation before mass production.

4.Quick and intimate service:Quickly provide all the files which necessary for handling enrtrance formalities;assist our customers to make certificate.

5.On time delivery : For the first order ,we can ship within 25 days ,and for the repeated orders ,15 days in need .

6.Protect our customers privacy of ingredient and market information :Making usre that for the same our brand of products,in each country ,we only sell to one customer.

Our Advantage:

1.OEM Ability: Over10 years speakers and amplifiers product manufacturer experience .

2.Famous factory: We have been the supplier of 2008 Beijing Olympics China .

3.Quality:We have strict quality control system with 5 steps of inspection to assure the stability of quality. Certificated with CE,CCC,ROHS,FCC,CB and so on

4.Competitive:We focus on help our customers to build their brand name to be the famous brand in their country .

5.Excellent R&D team:Lead by 2 engineers who has more than 15 years R&D experiences and 3 engineers who has 6 years R&D experiences.

6.Professional and mature sales team: The operation experience is rich , good english level , familiar with each foreign trade process which ensures no error in order process .

7. Products positioning: with several years experience in brands operation and been to many countries for market researching , we can help our customer do exactly prouducts positioning toghether .

Our Products:

Speaker: Ceiling speaker,wall speaker,horn speaker,column speaker,garden speaker,project speaker, professnial speaker and so on .

Amplifer: Mixer amplifier, power amplifier,pure amplifier,professianl amplifier and so on .

Our market :

Get a high reputation all around the world.

1.We focus on speakers and amplifiers product over 10years

2.Your reliable speakers and amplifiers OEM /ODM partner .You can be confident ,because we are trusted in quality .

3.We have gained many international certificates ,.Such as CE,CCC,ROHS,FCC,CB and so on .

4.Our Factory covers an area of12 000 square meters and has more than 200 employees which can guaranteed the lead time on time .