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4 Channels Digital Power Amplifier Class-D amplifier
  • Air Pro4 Channels Digital Power Amplifier Class-D amplifier
  • Air Pro4 Channels Digital Power Amplifier Class-D amplifier
  • Air Pro4 Channels Digital Power Amplifier Class-D amplifier
  • Air Pro4 Channels Digital Power Amplifier Class-D amplifier

4 Channels Digital Power Amplifier Class-D amplifier

4 Channels Digital Power Amplifier Class-D amplifier
Model:DA4060 DA4125 DA4250

● Multi-channel: 4-channel or 2-channel;
● 5-unit LED for status;
● Advanced active PFC (power factor correction);
● Efficient switching power supply;
● Efficient CLASS D amplifier;
● Support DC 24V power supply;
● Adjust fan speed with temperature;
● Equipped with voltage limit circuit;
● All-protected circuit design;
● Support real-time switch of 70/100V output;
● Input sensitivity: 775mVRMS;
●l Both line input and output interfaces adopt HT-3.81 phoenix;
● 100VRMS prior line input;
● Balanced prior line input;
● Balanced line input;
● 7.62-4P fence output socket with cover is adopted for power output.

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Product Description

    Welcome to use DSPPA public address system. For the better use of 4 Channels Digital Power Amplifier Class-D amplifier, please read this instruction carefully prior to use

    ● Multi-channel: 4-channel or 2-channel;

     5-unit LED for status;

     Advanced active PFC (power factor correction);

     Efficient switching power supply;

     Efficient CLASS D amplifier;

     Support DC 24V power supply;

     Adjust fan speed with temperature;

     Equipped with voltage limit circuit;

     All-protected circuit design;

     Support real-time switch of 70/100V output;

     Input sensitivity: 775mVRMS;

    l Both line input and output interfaces adopt HT-3.81 phoenix;

     100VRMS prior line input;

     Balanced prior line input;

     Balanced line input;

     7.62-4P fence output socket with cover is adopted for power output.

    Model

    DA2125

    DA2250

    DA2500

    DA4060

    DA4125

    DA4250

    Number of channels

    2

    2

    2

    4

    4

    4

    Rated output power of each channel

    120W

    250W

    500W

    60W

    120W

    250W

    Input sensitivity

    775mVRMS(0dBV/ all balanced input) 100VRMS (100V unbalanced input)

    SNR (signal-to-noise ratio)

    >80dB (100VRMS output)

    Input impedance

    60K ohms (balanced)20K ohms (balanced priority) 100K ohms (100V unbalanced)

    Channel separation

    >70dB(1KHz)

    Frequency response

    80Hz-15kHz (±3dB normal operating conditions)

    THD (total harmonic distortion)

    <0.3 %     (1kHz normal operating conditions)

    Up speed

    >29V/us

    Priority threshold

    >10mVp (prior balanced line input) >1000mVp (prior100VRMS line input)

    Indicators

    “Protection”, “Limit”, “Voltage limit”, “Signal”, “70V gear”

    Protection

    Power-on, high temperature, DC, short circuit

    Power supply

    AC220V/50Hz   DC24V (rated output power -3dB)

    Overall dimensions (mm)

    (L×W×H)552×510×105         

    Machine dimension (mm)

    (L×W×H)483×435×44 (not including machine legs)

    Machine legs

    Four 6.5mm high soft plastic machine legs, can be removed as needed

    Power consumption (AC220V)

    339W

    610W

    1270W

    347.6W

    653W

    1240W

    Power consumption (DC24V)

    206.4W

    350.4W

    720W

    223.2W

    398.4W

    708W

    Static power consumption (AC220V)

    38W

    38W

    42W

    57.5W

    63.5W

    57W

    Static power consumption (DC24V)

    38.4W

    38.4W

    43.2W

    60W

    62.4W

    57.6W

    Gross weight (kg)

    7.4

    7.4

    7.4

    8

    8

    8

    Net weight (kg)

    6.4

    6.4

    6.4

    7

    7

    7

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