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UHF band one to four wireless microphone


NO.: AY-8401F

1. Frequency range 612.5--667.25Mhz 2. Modulation method FM frequency modulation 3. Adjustable number of channels 200 channels 4. Channel spacing 250khz 5. Oscillation mode PLL phase-locked loop frequency synthesis 6. Frequency stability ± 10ppm 7. Dynamic range 100db 8. Frequency response 40-18000Hz 9. Comprehensive signal-to-noise ratio ≥ 110db 10. Comprehensive distortion ≤ 0.1%

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Keywords:
  • Description
  • Technical specifications
  • Connect
  • 1: Using UHF610 to 670 frequency bands effectively avoids interference bands and has strong anti-interference performance.
    2: Using advanced PLL phase-locked loop technology, coupled with high-precision quartz crystal and 32-bit microcomputer microcontroller control, the frequency stability is extremely high.
    3: Equipped with infrared frequency matching (synchronous transmission and reception frequency), greatly improving the convenience of product use.
    4: Equipped with advanced patented RDS digital pilot function, each cat has a different random ID code to eliminate interference and crosstalk.
    5: An automatic mute and impact cancellation circuit with three logical relationships. Effectively avoiding the impact sound of power on/off and noise caused by poor signal quality.
    6: Equipped with adjustable transmission power and adjustable reception sensitivity (noise reduction depth), the combination of the two can effectively and conveniently control the reception distance.
    7: Equipped with one click automatic message selection function, it intelligently and quickly selects clean channels without interference, greatly simplifying the debugging workload in engineering installation and improving work efficiency.
    8: The transmitter adopts a dual boost circuit design to ensure that the emission performance will not be affected when the battery voltage drops.
    9: The receiver display screen can reflect real-time information such as the battery level of the transmitter.
    10: A concise operating interface with minimal adjustable components can completely avoid malfunctions caused by misoperation.
    11: High pickup sensitivity and excellent sound quality make your speech or singing effortless and effortless.
    12: Can be used by multiple stacked machines without interference or frequency hopping.
    13: The use distance is long and can be adjusted arbitrarily. The large dual LCD display screen, with a beautiful and elegant appearance design, is particularly suitable for professional KT V venues, schools, and performances.

  • system parameter
    1. Frequency range 612.5--667.25Mhz
    2. Modulation method FM frequency modulation
    3. Adjustable number of channels 200 channels
    4. Channel spacing 250khz
    5. Oscillation mode PLL phase-locked loop frequency synthesis
    6. Frequency stability ± 10ppm
    7. Dynamic range 100db
    8. Frequency response 40-18000Hz
    9. Comprehensive signal-to-noise ratio ≥ 110db
    10. Comprehensive distortion ≤ 0.1%
    11. Working distance of 150m (ideal environment)
    12. Working environment temperature -20 ℃/+50 ℃


    Technical parameters of the transmitter
    1. Frequency range 612.5--667.25Mhz
    2. Adjustable number of channels 200 channels
    3. Channel spacing 250k
    4. Oscillation mode PLL phase-locked loop frequency synthesis
    5. Frequency stability ± 10ppm
    6. Modulation method FM frequency modulation
    7. Harmonic suppression ≥ 70db
    8. Maximum modulation degree 75k
    9. RF power 10~30mw
    10. Frequency response 40-18000Hz
    11. Distortion ≤ 0.1%
    12. Function display mode LCD
    13. Battery size 2x1.5v AA Size
    14. Continuation time 8-20 hours (depending on battery type, capacity, and transmission power)


    Receiver specifications and parameters
    1. Frequency range 612.5--667.25Mhz
    2. Receiving method superheterodyne secondary frequency conversion
    3. Adjustable number of channels 200 channels
    4. Channel spacing 250khz
    5. Adjacent channel suppression ≥ 70db
    6. Mirror frequency suppression ≥ 80b
    7. Oscillation mode PLL phase-locked loop frequency synthesis
    8. Frequency stability ± 10ppm
    9. Reception sensitivity -100dbm~-68dbm adjustable
    8. Frequency response 40-18000Hz
    9. Comprehensive signal-to-noise ratio ≥ 110db
    10. Comprehensive distortion ≤ 0.1%
    11. Audio output 500MV (one 6.35 socket mixed output, one Karon balanced output)
    12. Output impedance XLR connector 200 Ω 1/4 connector 1K Ω
    13. Power supply specification DC12V/1A

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