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Help CenterTwo Channels Profrssional Best Wireless Microphone for Teachers, Karaoke
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Two Channels Profrssional Best Wireless Microphone for Teachers, Karaoke
Product picture
System:
Audio frequency response:80HZ-12500Hz
Dynamic Range:>=80Db
System Distortion Degree:-1%
Signal-noise ratio:>=80Db
Usage distance: about 50M
Operating temperature range: 5℃-40℃
Signal carrier frequency range: 180-280MHz
Receiver:
Frequency stability: ±0.005%
Signal carrier power consumption: -30Mw
Spurious Rejection: >40Db
Modulation mode: FM
Maximum modulation range: ±50KHz
Microphone Mode: moving-coil
Pre-emphasis: 50US
Power: 9V battery
Power consumption: <30Ma
Dimension: 55*250mm
Weight: 240g(without battery)
Transmitter:
Receiving sensitivity: 8Uv
Image Rejection: >50Db
De-emphasis: 50Us
Audio output resistance: 600ohm±10%
Audio output electrical level: 0-0.5V
Power supply: AC220V (9V 100mA)
Power consumption: -300Ma
Dimension: 490*250*55mm
Weight: 3500g
Lead time:
Sample: In stock
Mass production: 5 working days
Company Pictures 1 for office:
Company Pictures 2 for workshop:
Certification 1 for License and Pantents:
Certification 2 for Products:
Real Projects Connection Diagram:
How to start to make business with us?
Service:
Good Service:
1. Professional sales reply you enquiry in 24Hrs
2. Feedback of complaint in 24Hrs
3. OEM/ODM are welcomed
4. 2 years Warranty
Warranty:
1. All products have been strictly Quality Checked before packing.
2. All products have been well packed before shipping.
3. All products with 2 years warranty.
After Sales Service:
1. We are always online to solve all your request.
2. Any faulty product, we can send replacement to you freely
3. To ensure your receive the order tax free upon import, we are willing to declare lower value.
Shipping:
How to contact with us:
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