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SDS-W2640 Four-Channels Wireless Conference Microphon

model: SDS-W2640

  • Receiver Features:

    1. New concept of anti-electromagnetic interference circuit design to eliminate electromagnetic interference from mobile phones and other electronic products

    2. HD 256*64COG display, The menu is clear and easy to operate

    3. With the 4 channel receiving design, 4 wireless microphones can be connected;

    4. Built-in 20 sets of preset frequency modules, PLL phase-locked loop circuit design, pure automatic selective signal receiving mode

    5. One key to modify the four channel frequency group, four channels to modify the frequency group at the same time, and also support manual modification of the frequency of each channel to facilitate debugging and installation;

    6. The design of shuttle knob with light ring, together with LCD, shows volume, module, frequency, AF / RF signal strength and setting operation;

    7. With electronic volume control, the volume gain of each channel can be adjusted from 0dB to 20dB through the front shuttle knob;

    8. Infrared data automatic synchronization function (SYNC): 4 independent infrared frequency-matching buttons, one-key automatic frequency-matching, eliminating all complicated operations;

    9. Use UHF530-670MHz frequency band carrier;

    10. It is equipped with 4 BNC antennas as standard, and also can be equipped with external extended anti-interference antenna, which can bypass the shielding of metal cabinet for wireless signal, and the effective working distance is 60m (visible distance);

    11. Cooperate with the antenna distribution system to achieve full coverage of wireless signals at the venue;

    12. The 1U standard cabinet design with metal shell is easy to install.



    Conference unit Features:

    1. Patent appearance design, high-end and solemn.

    2. Speech switch button with translucent speech pattern, always on when speaking

    3. With a 1.3-inch high-brightness full-view OLED display, the display content is clear, and it can display the microphone frequency, battery level and operating status

    4. With electronic volume function, can individually adjust the microphone speaking volume

    5. The microphone is designed according to the principle of acoustic space, and with the new anti-howling anti-single-point high-sensitivity condenser microphone core, the conference sound quality can be realized with high fidelity.

    6. New concept of anti-electromagnetic interference circuit design to eliminate electromagnetic interference from mobile phones and other electronic products

    7. Operation distance up to 100 meters with the best condition, 60 meters in normal condition.

    Ultra-low power circuit design, continuous speaking time is not less than 8 hours, standby time is not less than 12 hours. Can use original rechargeable lithium battery or ordinary AA battery


  • Receiver Specifications:

    Power supply

    DC12V

    Consumption Rating

    < 7.2W

    Size(L×W×H)

    483mm x 235mm x 45.3mm

    Weight

    3.3kg

    Carrier frequency band

    UHF530-670MHz

    Bandwidth

    30MHz

    Audio channel

    4CH

    Modulation method

    FM

    Oscillation:

    PLL

    Sensitivity

    S/N>60dB @25KHz, 6dBv

    MaxDeviation Range

    ±45KHz

    S/N

    >105dB

    T.H.D

    <0.7% @ 1KHz

    Frequency Response

    20Hz~20KHz ±3dB

    Working Distance

    60m

    Audio output

    Unbal:6.35mm x1

    Bal:XLR x4

    Audio signal receiving interface

    BNC x4





    Conference Unit Specifications:

    Working Voltage

    DC 3.7V -- 4.5V

    Consumption Rating

    Standby:≦350mW, Speaking:≦620mW

    Display

    128x64 PMOLED

    Operating time

    8-10hours

    Operating temperature range

    -9℃ -- 40℃

    Size(L×W×H)

    184×124×49mm

    Weight

    Base:0.53 kg, Mic:0.07kg

    Carrier frequency band

    UHF530-670MHz

    Oscillation::

    PLL

    Harmonic Radiation

    <-65dBm

    Max Deviation

    +-45KHz

    Capsule

    Condenser

    RFPower

    15MW


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