SM-9090 4 channel VHF wireless microphone system / Nigeria Ghana hot sell

SM-9090 VHF wireless microphone system        

good quality low price VHF band   4 channel  fixed frequency   Nigeria hot sell Ghana hot sell 

micrófono  mikrofon  microfono mikropon microfoon

SM-9099 VHF  wireless microphone system Brief  Description: 

SM-9090 wireless microphone system is a good quality wireless microphone design for users who require professional performance and budget solution. The system delivers perfect sound by using low interference VHF frequency band, and it is strong and reliable to meet various usages from small show to home use.

SM-9090 VHF  wireless microphone system  Feature:

Frequency band:VHF

System
Carrier frequency: 210-280MHz
Frequency stability:±0.005%
Modulation mode:FM
Maximum deviation range: ±45KHz
Audio frequency response:40Hz-15KHz (±3dB)
Audio dynamic range:>90dB
T.H.D.:<0.5%
Cover range:about 100meters
Power: AC220V/45-60HZ

Receiver
S/N radio: >98dB
Sensitivity: 5dBu (SINAD=20dB)
Cover range:about 100meters

Transmitter
Output power:20mW
RF radiation:<-60dBm
Battery life:15 hourses

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