8400 Gooseneck Four Channels Wireless Voting Sound System Conference Microphone

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  • 1 - 9 Units
  • >=10 Units
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Quick Details
Simultaneous Interpretation:
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Supply Ability
Supply Ability:
2000 Unit/Units per Month
Packaging & Delivery
Packaging Details
Lead Time :
within 15days
Company Information

Product Description

1.DPLL digital phase locked loop multi channel frequency synthesis technology, in the 50MHz frequency bandwidth to 250KHz channel spacing
2.Provide up to 200 channels of choice, easy to use multiple sets of machines at the same time to easily avoid all kinds of interference.
3.Advanced automatic frequency technology, even if the transmitter and receiver to the frequency of chaos
4.Simply press the transmitter automatically after the lock receive frequency and adjust the use of the same.
5.High - grade LCD screen, so that the receiver and transmitter working state at a glance.
6.Wireless conference launch system, using two AA batteries. The high alkaline battery can be used for a long time (8 hours of high power, low power 12 hours) if the rechargeable batteries, the use of time will be decreased.

System index:
Frequency range: 740-790MHz
Modulation mode: broadband FM
Adjustable range: 50MHz
Channel number: 200
Channel spacing: 250KHz
Frequency stability:±0.005%
Dynamic range: > 100dB
Maximum frequency offset: ±45KHz
Audio response: 40Hz-18 KHz (±3 dB)
Integrated signal to noise ratio: > 105 dB
Comprehensive distortion: less than 0.5%
Working temperature: -25℃--+40℃

Receiving index:
Receiver mode: two frequency conversion
Intermediate frequency: first110MHz, second 10.7MHz
Wireless interface: BNC/50Ω
Sensitivity: 12dBμV (80dBS/N)
Sensitivity adjustment range: 12-32 dBμV
Spurious suppression: ≥75dB
Maximum output level: +10dBV

Transmitter index:
Antenna program: built-in spiral antenna
Output power: high power 30mW; low power 3mW
Spurious suppression: -45dB
Power supply: two AA batteries
Use time: 30mW is more than 8 hours, 3mW is more than 12 hours

Packaging & Shipping
Package:color box,5pcs in one carton
Delivery Detail:Shipped within 30 days after payment,actual date depends on the quantity 




1. Q: Are you manufacturer or trade company?

A: We are the manufacturer, specialized in producing microphone, including wireless microphone system, wireless or wired conference system and so on.

2. Q: How can I get the samples?
A: We appreciate that you can accept to pay the sample fee and the sample freight.


3. Q: How much the transportation freight of samples?
A: The freight depends on the weight and packing size in your area.


4. Q: What's the delivery time for the samples?
A: The samples will be ready for delivery in 5-10days after we receive your payment.


5. Q: Do you offer OEM&ODM service?
A: Yes, we do offer OEM&ODM service.


6. Q: How do your factory control quality?
A: Quality is the most important for us. In order to control quality better, we have professional QC.
All our products pass 4 times inspection by QC before delivery. The first time for raw material, second time for finished products, third time for products appearance and fourth time for function.


7. Q: How to pay the money?
A: We could accept the payment by T/T or Western Union . Please tell us the payment that you prefer, we will send the detail information to you.

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