- Contact Person : Mr. zhang weiming
- Company Name : Enping Yixing Electronic Equipment Co., Ltd.
- Tel : 86-0750-7821399
- Fax : 86-0750-7815338
- Address : Guangdong,EnPing,No.31.F Area Wai Zi Min Zi Industrial Area EnPing City
- Country/Region : China
- Zip : 529400
EALSEM UW-831 uhf wireless karaoke microphone system
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EALSEM UW-831 uhf wireless karaoke microphone system
System parameter
Carrier frequency:UHF 735-806MHZ
Modulaton mode:FM
Channel number:2 channel,random set 200 frequency
Frequency interval:250KHZ
Frequency stability:+/-0.005%
Dynamic range:100dB
Max modulation:+/-55KHZ
Frequency response:70HZ-18KHZ(+/-3dB)
S/N rato:>105dB
THD: ≤ 0.5%
Working range:About 100M(without obstacle)
Receiver
Receiver mode:Heterodyne frequency comversion receiver
Intermediate frequency:130.4MHZ,10.7MHZ
Antenna switch in:BNC/50 Ω
Sensitivityadjust range:-103dB
RF squelch: ≥ 85dB
Max level output:+/-10dB/v
Transmitter
Antenna:Handheld microphone with built-in screw antenna,pocket transmitter with 1/4' wavelengh scourge antenna
Output power:30mV
RF squelch:60dB
Power:2*1.5V AA
Battery life:About 10 hours
