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4 Channel Handheld Karaoke Microphone

WM-4000U

Description

This WM 4 Channel Handheld Wireless System features efficient RF performance, diversified frequency range, and high S/N ratio. Thus, it is suitable for wireless professional sound reinforcement, such as church, education, and live performance.

Features

UHF frequency makes your microphone free from electric interference and offers stable signal transmission.

Professional microphone capsule minimizes the background noise and produces clear sound

Easy plug and play with high portability

Rechargeable receiver with built-in Lithium battery

    MODEL WM-4000U
    Receiver(Desk-top)  
    Carrier Frequency UHF610-865MHz
    Oscillation Mode Quartz Controlled Fixed Frequency
    Stability 10PPM
    Sensitivity 2uV @ sJnad=12dB
    Max. Deviation Range 50KHz
    S/N Ratio >105dB
    T.H.D. <0.5% @1KHz
    Image Rejection 85dB typical
    Spurious Rejection 75dB typical
    Frequency Response 60Hz-16KHz
    Squelch Control Dual-squelch circuit
    Max. Output Level Balanced: 0-400mV, Unbalanced: 0-300mV
    Power Supply External DC Power Supply, 0.4A, 12-15V DC
    Transmitter(Hand-held)  
    Transmitter power <30mW
    Spurious emission <40dB(with carrier)
    Battery Voltage AA1.5v*2
    Battery Life >10hours


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