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QSC DPA4.2 Amplifiers, 400W*4ä³Î/8¿È ÆÄ¿ö¾ÚÇÁ, Äõµå¾ÚÇÁ, ¸ÖƼä³Î¾ÚÇÁ, ±³È¸À½Çâ¾ÚÇÁ, °ø¿¬Àå¾ÚÇÁ
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  • Total power up to 5,000 watts 
  • Flexible Amplifier Summing Technology¢â (FAST) drives most any loudspeaker system or configuration by distributing total amplifier power across one, two, three or all four channels.
  • Full function onboard loudspeaker processing DSP with Crossover and Parametric EQ Filters, Limiting and Alignment Delay eliminate the need for outboard loudspeaker processors.
  • PowerLight universal switchmode power supply with PFC for highest effiency, improved audio performance, and low heat dissipation.
  • Preset Wizard simplifies amplifier setup providing system design tools and loudspeaker selection from a list of speakers.
  • Powerful Intrinsic Correction¢â processing maximizes the sonic performance of QSC loudspeakers.
  • 20 Factory Preset configurations that can be modified and stored in the 50 User Presets.
  • Integrated front panel with channel Select and Mute buttons, Input and Output LED Metering, 400x240 LCD, intuitive navigation buttons, LED power button and indicator, and cast aluminum handles.
  • GPIO for additional functionality including a heartbeat output for Life-Safety supervision.
  • Four Input Euroblock connectors, and four Euroblock touch-proof Speaker connectors.





    DPA 4.2

    DPA 4.3

    DPA 4.5

    4 Ch. Continuous1

    8¥Ø

    4¥Ø

    2¥Ø

     

    400 Watts

    400 Watts

    325 Watts

     

    625 Watts

    625 Watts

    625 Watts

     

    1150 Watts

    1250 Watts

    625 Watts

    2 Ch. Continuous1

    8¥Ø

    4¥Ø

    2¥Ø

     

    800 Watts

    800 Watts

    650 Watts

     

    1250 Watts

    1200 Watts

    1200 Watts

     

    2250 Watts

    2250 Watts

    2100 Watts

    1 Ch. Continuous1

    8¥Ø

    4¥Ø

    2¥Ø

    1¥Ø

     

    1600 Watts

    1600 Watts

    1600 Watts

    1600 Watts

     

    2500 Watts

    2500 Watts

    2500 Watts

    2500 Watts

     

    4200 Watts

    4200 Watts

    4250 Watts

    3700 Watts

    Typical Distortion

    8¥Ø

    4¥Ø

     

    0.01 - 0.03%

    0.03 - 0.06%

     

    0.01 - 0.03%

    0.03 - 0.06%

     

    0.01 - 0.03%

    0.03 - 0.06%

    Maximum Distortion

    4¥Ø - 8¥Ø

     

    1.0%

     

    1.0%

     

    1.0%

    Frequency response (8¥Ø)

    20 Hz - 15 kHz +/- 0.2 dB

    20 Hz - 20 kHz +0.2 dB / -0.7 dB

    20 Hz - 15 kHz +/- 0.2 dB

    20 Hz - 20 kHz +0.2 dB / -0.7 dB

    20 Hz - 15 kHz +/- 0.2 dB

    20 Hz - 20 kHz +0.2 dB / -0.7 dB

    Noise

    Unweighted Output Unmuted

    Weighted Output Muted

    -101 dB

    -109 dB

     

    -101 dB

    -109 dB

     

    -101 dB

    -109 dB

    Gain (1.2V setting)

    34.0 dB

    38.4 dB

    38.4 dB

    Damping factor

    >150

    >150

    >150

    Input impedance

    >10k, balanced or unbalanced

    >10k, balanced or unbalanced

    >10k, balanced or unbalanced

    Maximum input level

    (3.9V setting)

    (1.2V setting)

     

    12.28V (+24 dBu)

    3.88V (+14 dBu)

     

    12.28V (+24 dBu)

    3.88V (+14 dBu)

     

    12.28V (+24 dBu)

    3.88V (+14 dBu)

    Controls and indicators (front)

    Power  • Channel MUTE Buttons • Channel SELECT Buttons • Channel Input Signal and CLIP LED Indicators •

    Channel Output and LIMIT LED Meters • HOME, ENTER, EXIT, GAIN Navigation Buttons • Control Knob

    Controls and indicators (rear)

    AC Power Disconnect

    AC Power Disconnect

    AC Power Disconnect

    Input connectors

    3-pin Phoenix

    3-pin Phoenix

    3-pin Phoenix

    Output connectors

    2-pin Phoenix Speaker

    2-pin Phoenix Speaker

    2-pin Phoenix Speaker

    Amplifier and load protection

    Short circuit, open circuit, thermal, RF protection. On/Off muting, DC fault shutdown, active inrush limiting, input current limiting

    AC Power Input

    Universal Power Supply 100 - 240 VAC, 50 - 60 Hz

    Dimensions (HWD)

    3.5¡± x 19¡± x 12¡± 

    (89mm x 482mm x 305mm)

    3.5¡± x 19¡± x 16¡± 

    (89mm x 482mm x 406mm)

    3.5¡± x 19¡± x 16¡± 

    (89mm x 482mm x 406mm)

    Weight, Net / Shipping

    18.5 lb (8.4 kg) / 22 lb (10.0 kg)

    21.0 lb (9.5 kg) / 25 lb (11.3 kg)

    22.0 lb (10.0 kg) / 26 lb (11.8 kg)

    Agency approvals

    UL, CE, RoHS/WEEE compliant, FCC Class A (conducted and radiated emissions)

    Carton contents

    Locking IEC Cable, Quick Start Guide, USB Cable

    1 1.0 kHz sine wave, 1% THD, 1 channel driven



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