cheap price dual-channel conversion fm wireless karaoke microphone

Group WIRELESS MICROPHONE
Min. Order 1 piece
Terms of Payment Western Union, MoneyGram, T/T, Paypal
Update Time 2018-08-25
Item specifics
Frequency range740-790MHz
Available Band Width50MHz
Channel number200
Channel spacing250KHz
Frequency stability±0.005%
Dynamic range100dB
Description
Microphone use two AA batteries, continued up to 10-15 hours.
Double Conversion Super Heterodyne, with a high receiver sensitivity.
Infrared frequency, automatic synchronization lock the transmitter frequency.
Receiver automatically scans and locks the current environment is best to use free channels.
 System
 Frequency range740-790MHz
 Modulation ModeBroadband FM
 Available Band Width50MHz
 Channel number200
 Channel spacing250KHz
 Frequency stability±0.005%
 Dynamic range100dB
 Peak deviation±45KHz
 Audio response80Hz-18KHz(±3dB)
 Comprehensive SNR105dB
 Comprehensive Distortion≤0.5%
 Operating Temperature -10+40

 RECEIVER
 Receive modeDouble Conversion Super Heterodyne
 Intermediate frequencyThe first medium frequency:100MHz
The second medium frequency:10.7MHz
 Wireless interfaceBNC/500Ω
 Sensitivity12dB u V80 dBS/N
 Spurious rejection≥75dB
 Sensitivity adjustment range12-32dBV
 Maximum output level +10dBV
 TRANSMITTER
 Output powerHigh:30mWLow3mW
 Spurious rejection -60dB
 VoltageTwo AA batteries
 Current utility timeHigh:10 hours   Low:15 hours