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Product Introduction:
2 Channel Transformer 2U SMT ON Semiconductor Power Amplifier
  • features


    The semiconductor used is a world famous brand -  ON Semiconductor;

    Using special audio dedicated electrolytic capacitors, high grade and good sound;

    SMT patch technology, high integration, product performance is more stable;

    Intelligent stepless variable speed fan cooling system, ultra-quiet in low power or cold machine;

    The perfect protection system is extremely stable in extreme environments, without accidents;

    All adopts templating and compact design. It has precise and comprehensive protection system, beautiful and dynamic sound, stable and reliable performance, and exquisite appearance.

    Professional perfect dynamic limiter can effectively protect your sound system without losing sound quality;

    Applicable to medium and high-end professional markets, large installation markets, large discs, nightclubs, stadiums, cinemas, etc.


    Model A506 A545
    Rated power(power)(1KHz,THD+N=0.7%) 8ΩStereo 600WX2 450W
    4ΩStereo 950WX2 800W
    4ΩBridged 2200W 1600W
    Low cut /  /
    Protect 1.DC protection 2. short circuit protection 3.overheat protection 4.over current protection 5.Input overload protection 6.output overload protection  7.Soft start
     frequency response 20Hz~20KHz(+-0.3dB)
    sensitivity 0.775V/1.0V/1.44V
    work mode Stereo/parral/bridged
     fans working way intelligent speed adjustment
    connector(each channel) input connector XLR(6.3&) 
    output connector binding post&speaker plug(speakon)(SPEAKON)  
     input impedance balance input   20K
    unbalance input   10K
    mixed voice reduction   ≥60dB
    Signal to noise(RMS 8Ω)   ≥103dB 
    damp factor  ≥350
    THD   ≤0.08%
    Position response   ±10°
    speed rate   ≥25V/μs
    output circuit mode Class AB
    Net weight 21KG  19KG
    product size 484W × 380D × 88H
    package size(mm) 590W × 520D×145H

  • Comment

DM20new version update step


1) Copy the compressed package to the USB flash drive (note that you don't need to decompress it, it is best to format the USB flash drive first)


2) Insert the USB flash drive into any USB port of the mixer, and click “SETUP” on the mixer panel → “Maintenance” → “Update from USB” in the screen


Follow the prompts to complete the installation steps.

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