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  • The J.D.POLARDIO brand series amplifier design is mainly used for high-demand performances, theaters, multi-function halls, music bars, KTV private rooms, clubs, radio conferences and other occasions. The product has the high technology content, the stability is good, the operation is humanized, each product all considers the technology and the art synthesis performance! Polar engineers have adopted a more forward-looking digital design concept, with products with high-tech content and sound performance surpassing their competitors.
    Product features:
    The J.D.POLARDIO polar is committed to producing the most cost-effective professional products. After strict testing and testing in many places, we have launched a brand new JD series fixed resistance/fixed pressure dual power amplifier. It has excellent performance and is able to drive full - frequency and low - frequency speakers with ease. With comprehensive protection facilities such as pressure limit, short circuit, overcurrent and dc output, the front panel is more beautiful and filter screen is added to minimize the adverse effects caused by dust. Carefully tested electronic components with advanced and reasonable circuit design make the sound quality more perfect. This series of products have the characteristics of low noise, little impact of switching machine.
    The J.D.POLARDIO polar is committed to producing the most cost-effective professional products. Through rigorous testing and testing in many places, the performance is outstanding, with strong load capacity, able to operate with ease in full frequency and low frequency speakers.
  • Parameter Specification:
  •  

    model

    JD-300

    JD-500

    JD-700

    JD-900

    Per ch(8Ω)

    2x300W

    2x500W

    2x750W

    2x900W

    per ch(4Ω)

    2x600W

    2x700W

    2x1050W

    2x1350W

    Voltage output 

    900W

    1500W

    2000W


    Distortion factor

    <0.01%

    Frequency response

    20HKz–20KHz,+0/-1dB

    Damping coefficient

    >300@8Ω

    Noise Unweighted

    -100dB

    Input sensitivity

    0dB,3dB select

    Input impedance

    10KΩ unbalanced ,20KΩ balanced

    Inputs

    Balanced XLR

    Outputs

    safety screw wire connetors and SPEAKON compatible interface

    Power Supply

    220-230V~,50/60Hz

    size (W*H*D)

    478x88x330mm



     

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Address:No.15,lijun Road,Shiqiao Town,Panyu District,Guangzhou City,Guangdong Province,China