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WR-248

DUAL CHANNELS 2.4G DIGITAL WIRELESS MICROPHONE

  • WR-248 DUAL CHANNELS 2.4G DIGITAL WIRELESS MICROPHONE


    产品特点：
    • ● Support multiple machines used at the same time
    • ● No compress, return to original voice
    • ● Built in low-pressure and low noise professional amplifier circuit
    • ● 44.1k sample rate, 24BIT sample size, ensure the wide dynamic range
    • ● High performance 192K/24BIT DAC
    • ● Private and security adress code match, high secure communications
    • ● Synchronous transceiver of the dual channels, high frequency hopping  technology, avoid the interference and wiretap from others 2.4G systems
    • ● Can be connected with bluetooth , WLAN and other 2.4G digital modulation devices for use at the same time
    • ● Minimum 2V low voltage power supply, 2 pieces of AA batteries can be lasted for 38 hours
    • ● The effective range is over 20 meteres, be applied in big KTV room
    • ● High power compatible, the effective range can be adjusted to 50 meters without changing the circuit
    • ● Comply with CE 300 328 and FCC 15.247

    TECHNICAL INDICATORS：

    Parameters WR-248  Handheld Transmitter
    voltag            DC 2-3.5V
    peak working current   65mA
    sample size         24 BIT
    sample rate          44.1Khz
    output         <600 MVpp
    output/input gain    5:1
    output impedance         10K Ω
    frequency response         20—20K Hz
    Dynamic range         110 dB
    Distortion             0.04 %
    S/N           95 dB
    frequency range         2400——2483.5 MHz
    modulation        GFSK
    frquency control    双频同步，多组频率分组
    non-repeated frequency no.  38 个
    rate of speed        2 Mbps
    frequency stability      ±10 ppm
    receiver sensitivity      8，17dBm
    effective rang          KTV>20, 舞台>50 m
    temperature -20~+80 ℃

    Parameters WR-248 RECEIVER
    voltag             2——3.5V
    peak working current   65mA
    sample size         24 BIT
    sample rate          44.1Khz
    output         <600 MVpp
    output/input gain    5:1
    output impedance         10K Ω
    frequency response         20—20K Hz
    Dynamic range         110 dB
    Distortion             0.04 %
    S/N           95 dB
    frequency range         2400——2483.5 MHz
    modulation        GFSK
    frquency control    双频同步，多组频率分组
    non-repeated frequency no.  38 个
    rate of speed        2 Mbps
    frequency stability      ±10 ppm

    transmitter power        -94 dBm
    effective rang          KTV>20, 舞台>50 m
    temperature -20~+80 ℃