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编号 :

HD-6640

HD-6640 Quad UHF Wireless Conference Microphone System

HD-6640


零售价

市场价


UHF frequency band transmission signal, frequency range: 640MHz-690MHz, Four channels receive signals, each with 50 channels to choose from, with each channel stepping at 250KHz; By adopting stable PLL digital phase-locked loop synthesis technology and intelligent digital circuits, the overall performance stability of the machine is significantly improved
Product Category: Wireless Conference Microphone

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  • Overview
  • Product Support
  • Specs
  • Features

    • UHF frequency band transmission signal, frequency range: 640MHz-690MHz,
    • Four channels receive signals, each with 50 channels to choose from, with each channel stepping at 250KHz;
    • By adopting stable PLL digital phase-locked loop synthesis technology and intelligent digital circuits, the overall performance stability of the machine is significantly improved
    • Each channel is equipped with a unique 1D number, and each channel has an independent window. The LCD screen displays the working channel, working frequency point, received signal, and audio signal;
    • High fidelity ultra heart-shaped directional capacitor microphone core, with good sound reproduction. The pickup distance can reach 30-50CM:
    • Four rubber receiving antennas are installed on the back of the receiver to enhance the received signal, and the appearance is elegant and tasteful; Support the use of 5 stackers (i.e. 5 receivers and 20 transmitters);
    • The back is equipped with 4 balanced outputs, 1 mixed unbalanced output, and 1 mixed balanced output, suitable for connecting various external devices;
    • Silent touch button, press lightly for 0.5 seconds to switch between speaking/mute working state; Independent power switch to prevent accidental opening or closing of the conference unit:
    • The panel has a locking function. After debugging, all buttons except for the power switch will lose their function when locking the panel, preventing accidental operation and effectively reducing after-sales service
    • The host has an automatic frequency scanning function, which can effectively help engineers find the frequency point with the least interference when encountering complex installation environments,
    • Less debugging difficulty.
    • Flexible gooseneck microphone design, adjustable 360 ° in all directions, with a microphone light ring indicating the speaking status;
    • The novel short pole design with a grid shaped air intake network can enhance the balance of sound, and the microphone pole light ring indicates the speaking status;
    • The microphone consumes approximately 110mA and is powered by two 1.5V batteries, which can be used continuously for 8 hours
    • The host, waist bag, and handheld transmitter all have LCD screens. The conference transmitter uses a 2.0-inch TFT display screen, which clearly displays the working status and other content;
    • Usage distance: Open environment: 80-100 meters; Complex environment: 50-80 meters:
    • Suitable for various conference and speech occasions.
       
    HD - 6620 System ParametersHD - 6640 System ParametersTransmitter
    Carrier Frequency Band: UHF 640 ~ 690MHzCarrier Frequency Band: UHF 640 ~ 690MHzCarrier Frequency Band: UHF 640 ~ 690MHz
    Number of Channels: Dual - channelNumber of Channels: Four - channelDisplay Mode: LCD (Blue Backlight)
    Preset Channels: 100 × 2Preset Channels: 50 × 4Frequency Stability: ±10ppm
    Frequency Bandwidth: 50MHzFrequency Bandwidth: 50MHzHarmonic Radiation: < - 65dBm
    Display Mode LCD: (Orange Backlight)Display Mode LCD: (Orange Backlight)Frequency Bandwidth: 50MHz
    Frequency Stability: ±10ppmFrequency Stability: ±10ppmMaximum Deviation: ±45KHz
    Sensitivity S/N: > 103dB (1KHz - A)Sensitivity S/N: > 103dB (1KHz - A)RF Power Output: 10mW
    Frequency Bandwidth: 50MHzFrequency Bandwidth: 50MHzInput Socket: Aviation Plug
    Comprehensive T.H.D: < 0.3% @ 1KHzComprehensive T.H.D: < 0.3% @ 1KHzBattery: 18650 Rechargeable Battery
    Comprehensive Frequency Response: 40Hz ~ 18KHz ± 3dBComprehensive Frequency Response: 40Hz ~ 18KHz ± 3dBCurrent Consumption: 120mA / 3.7V
    Power Supply: DC12V 500mAOperating Distance: 100 MetersContinuous Working Time: > 20 Hours
    Power Supply: DC12V 500mA Pickup: Capacitive
    Output Socket: XLR Balanced and 6.3 Unbalanced Sockets  
    Operating Distance: 100 Meters  

     

     

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